diff --git a/src/dtmc/atomic_proposition.h b/src/models/atomic_proposition.h
similarity index 74%
rename from src/dtmc/atomic_proposition.h
rename to src/models/atomic_proposition.h
index 5beb41227..8afc6dd92 100644
--- a/src/dtmc/atomic_proposition.h
+++ b/src/models/atomic_proposition.h
@@ -13,7 +13,7 @@
 
 namespace mrmc {
 
-namespace dtmc {
+namespace models {
 
 //! An atomic proposition for DTMCs with a constant number of nodes
 /*! 
@@ -27,11 +27,19 @@ class AtomicProposition {
 		\param nodeCount Amount of nodes that the DTMC has to label
 	 */
 	AtomicProposition(uint_fast32_t nodeCount) : nodes(nodeCount) {
-		//
+		// intentionally left empty
+	}
+
+	//! Copy Constructor
+	/*!
+	 * Copy constructor. Performs a deep copy of this AtomicProposition object.
+	 */
+	AtomicProposition(const AtomicProposition& atomic_proposition) : nodes(atomic_proposition.nodes) {
+		// intentionally left empty
 	}
 
 	~AtomicProposition() {
-		//
+		// intentionally left empty
 	}
 
 	bool hasNodeLabel(uint_fast32_t nodeId) {
@@ -47,7 +55,7 @@ class AtomicProposition {
 	mrmc::vector::BitVector nodes;
 };
 
-} // namespace dtmc
+} // namespace models
 
 } // namespace mrmc
 
diff --git a/src/models/dtmc.h b/src/models/dtmc.h
new file mode 100644
index 000000000..516f43b3b
--- /dev/null
+++ b/src/models/dtmc.h
@@ -0,0 +1,57 @@
+/*
+ * dtmc.h
+ *
+ *  Created on: 14.11.2012
+ *      Author: Christian Dehnert
+ */
+
+#ifndef DTMC_H_
+#define DTMC_H_
+
+#include "labeling.h"
+#include "src/sparse/static_sparse_matrix.h"
+
+namespace mrmc {
+
+namespace models {
+
+/*! This class represents a discrete-time Markov chain (DTMC) whose states are
+ * labeled with atomic propositions.
+ */
+class Dtmc {
+
+public:
+
+	//! Constructor
+	 /*!
+		\param probability_matrix The transition probability function of the DTMC given by a matrix.
+		\param state_labeling The labeling that assigns a set of atomic propositions to each state.
+	 */
+	Dtmc(mrmc::sparse::StaticSparseMatrix* probability_matrix,
+			mrmc::models::Labeling* state_labeling) {
+		this->probability_matrix = probability_matrix;
+		this->state_labeling = state_labeling;
+	}
+
+	//! Copy Constructor
+	/*!
+		Copy Constructor. Creates an exact copy of the source DTMC. Modification of either DTMC does not affect the other.
+		@param dtmc A reference to the matrix that should be copied from
+	 */
+	Dtmc(const Dtmc &dtmc) : probability_matrix(dtmc.probability_matrix), state_labeling(dtmc.state_labeling) {
+		// intentionally left empty
+	}
+
+
+private:
+
+	mrmc::sparse::StaticSparseMatrix* probability_matrix;
+	mrmc::models::Labeling* state_labeling;
+
+};
+
+} //namespace models
+
+} //namespace mrmc
+
+#endif /* DTMC_H_ */
diff --git a/src/dtmc/labeling.h b/src/models/labeling.h
similarity index 88%
rename from src/dtmc/labeling.h
rename to src/models/labeling.h
index 5cbb6ddcf..cc5296a9b 100644
--- a/src/dtmc/labeling.h
+++ b/src/models/labeling.h
@@ -37,12 +37,12 @@
 
 namespace mrmc {
 
-namespace dtmc {
+namespace models {
 
 /*! This class manages the objects of class atomic_proposition. Access is possible with the
  * string identifiers which are used in the input.
  */
-class labeling {
+class Labeling {
    public:
 
 
@@ -50,7 +50,7 @@ class labeling {
        * @param nodeCount The number of nodes; necessary for class AtomicProposition.
        * @param propositionCount The number of atomic propositions.
        */
-      labeling(const uint_fast32_t nodeCount,
+      Labeling(const uint_fast32_t nodeCount,
                const uint_fast32_t propositionCount) {
          node_count = nodeCount;
          proposition_count = propositionCount;
@@ -61,7 +61,18 @@ class labeling {
          }
       }
 
-      virtual ~labeling() {
+      //! Copy Constructor
+      /*! Copy Constructor. Performs a deep copy of this Labeling object.
+       *
+       */
+      Labeling(const Labeling& labeling) : node_count(labeling.node_count), proposition_count(labeling.proposition_count), propositions_current(labeling.propositions_current), proposition_map(labeling.proposition_map) {
+    	  propositions = new AtomicProposition*[proposition_count];
+    	  for (uint_fast32_t i = 0; i < proposition_count; ++i) {
+    		  propositions[i] = new AtomicProposition(*labeling.propositions[i]);
+    	  }
+      }
+
+      virtual ~Labeling() {
          //deleting all the labeling vectors in the map.
          MAP<std::string, AtomicProposition*>::iterator it;
          for (uint_fast32_t i = 0; i < proposition_count; ++i) {
@@ -146,7 +157,7 @@ class labeling {
       AtomicProposition** propositions;
 };
 
-} //namespace dtmc
+} //namespace models
 
 } //namespace mrmc
 
diff --git a/src/parser/read_lab_file.cpp b/src/parser/read_lab_file.cpp
index d631cb215..e11162021 100644
--- a/src/parser/read_lab_file.cpp
+++ b/src/parser/read_lab_file.cpp
@@ -42,7 +42,7 @@ namespace parser {
  * @param filename   input .lab file's name.
  * @return The pointer to the created labeling object.
  */
-mrmc::dtmc::labeling * read_lab_file(int node_count, const char * filename)
+mrmc::models::Labeling * read_lab_file(int node_count, const char * filename)
 {
    /* Note that this function uses strtok_r on char-array s.
     * This function will modify this string.
@@ -125,7 +125,7 @@ mrmc::dtmc::labeling * read_lab_file(int node_count, const char * filename)
       pos++;
    }
 
-   mrmc::dtmc::labeling* result = new mrmc::dtmc::labeling(node_count, proposition_count);
+   mrmc::models::Labeling* result = new mrmc::models::Labeling(node_count, proposition_count);
 
    //Here, all propositions are to be declared...
    for (proposition = STRTOK_FUNC(decl_buffer, sep, &saveptr);
diff --git a/src/parser/read_lab_file.h b/src/parser/read_lab_file.h
index f51595af4..df032675a 100644
--- a/src/parser/read_lab_file.h
+++ b/src/parser/read_lab_file.h
@@ -8,14 +8,14 @@
 #ifndef READ_LAB_FILE_H_
 #define READ_LAB_FILE_H_
 
-#include "src/dtmc/labeling.h"
+#include "src/models/labeling.h"
 
 
 namespace mrmc {
 
 namespace parser {
 
-mrmc::dtmc::labeling * read_lab_file(int node_count, const char * filename);
+mrmc::models::Labeling * read_lab_file(int node_count, const char * filename);
 
 }
 }
diff --git a/src/vector/bitvector.h b/src/vector/bitvector.h
index ec50d2870..e3c05c59a 100644
--- a/src/vector/bitvector.h
+++ b/src/vector/bitvector.h
@@ -26,7 +26,7 @@ class BitVector {
  public:
 	//! Constructor
 	 /*!
-		\param initial_length The initial size of the boolean Array. Can be changed later on via @resize()
+		\param initial_length The initial size of the boolean Array. Can be changed later on via BitVector::resize()
 	 */
 	BitVector(uint_fast64_t initial_length) {
 		bucket_count = initial_length / 64;
@@ -43,8 +43,8 @@ class BitVector {
 
 	//! Copy Constructor
 	/*!
-		Copy Constructor. Creates an exact copy of the source sparse matrix ssm. Modification of either matrix does not affect the other.
-		@param ssm A reference to the matrix that should be copied from
+		Copy Constructor. Creates an exact copy of the source bit vector bv. Modification of either bit vector does not affect the other.
+		@param bv A reference to the bit vector that should be copied from
 	 */
 	BitVector(const BitVector &bv) : bucket_count(bv.bucket_count)
 	{
diff --git a/test/parser/read_lab_file_test.cpp b/test/parser/read_lab_file_test.cpp
index afaae3111..6bacc5395 100644
--- a/test/parser/read_lab_file_test.cpp
+++ b/test/parser/read_lab_file_test.cpp
@@ -7,7 +7,7 @@
 
 #include "gtest/gtest.h"
 #include "MRMCConfig.h"
-#include "src/dtmc/labeling.h"
+#include "src/models/labeling.h"
 #include "src/parser/read_lab_file.h"
 #include "src/exceptions/file_IO_exception.h"
 #include "src/exceptions/wrong_file_format.h"
@@ -19,7 +19,7 @@ TEST(ReadLabFileTest, NonExistingFileTest) {
 
 TEST(ReadLabFileTest, ParseTest) {
 	//This test is based on a test case from the original MRMC.
-	mrmc::dtmc::labeling* labeling = NULL;
+	mrmc::models::Labeling* labeling = NULL;
 
 	//Parsing the file
 	ASSERT_NO_THROW(labeling = mrmc::parser::read_lab_file(12, MRMC_CPP_TESTS_BASE_PATH "/parser/lab_files/pctl_general_input_01.lab"));