diff --git a/src/de/dhbwstuttgart/strucTypes/Construct.java b/src/de/dhbwstuttgart/strucTypes/Construct.java
index 96cc7507..18a42e27 100644
--- a/src/de/dhbwstuttgart/strucTypes/Construct.java
+++ b/src/de/dhbwstuttgart/strucTypes/Construct.java
@@ -23,6 +23,7 @@ import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
 import de.dhbwstuttgart.syntaxtree.Method;
 import de.dhbwstuttgart.syntaxtree.ParameterList;
 import de.dhbwstuttgart.syntaxtree.statement.Block;
+import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
 import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
@@ -88,10 +89,12 @@ public class Construct extends DefaultASTVisitor {
 		// Schleife über alle FieldConstraints mit ClassType i
 		this.constraintsSet.getFieldConstraints().stream().filter(fc -> fc.getClassType().equals(i)).forEach(fc -> {
 			TypePlaceholder type = TypePlaceholder.fresh(offset);
+			//TODO welcher Typ für field TPH, GenRT,...?
+			GenericRefType grt = new GenericRefType(type.getName(), offset);
 			parameterInhTyterm.add(fc.getFieldType());
 			generics.add(new GenericTypeVar( type.getName(),
 					new ArrayList<>(), offset, offset));
-			Field field = new Field(fc.getFieldName(), type, Modifier.PUBLIC, offset);
+			Field field = new Field(fc.getFieldName(), grt, Modifier.PUBLIC, offset);
 			fielddecl.add(field);
 		});
 
@@ -104,12 +107,14 @@ public class Construct extends DefaultASTVisitor {
 			GenericDeclarationList gtvDeclarations = new GenericDeclarationList(new ArrayList<>(), offset);
 			List<FormalParameter> params = new ArrayList<>();
 			mc.getArguments().stream().map(a -> a.getSupertype()).forEach(supertype -> {
+				//TODO welcher Typ für argument?
 				TypePlaceholder tph = TypePlaceholder.fresh(offset);
 				params.add(new FormalParameter(tph.getName(), tph, offset));
 				parameterInhTyterm.add(supertype);
 				generics.add(new GenericTypeVar(tph.getName(), new ArrayList<>(), offset, offset));
 			});
 			ParameterList parameterList = new ParameterList(params, offset);
+			//TODO Welcher returnType für method
 			Method method = new Method(Modifier.PUBLIC, mc.getMethodName(), returnType, parameterList, block, gtvDeclarations, offset);
 			methods.add(method);
 		});
diff --git a/src/de/dhbwstuttgart/strucTypes/printutils/SyntaxTreePrinter.java b/src/de/dhbwstuttgart/strucTypes/printutils/SyntaxTreePrinter.java
index 4f7774e1..dd4750c2 100644
--- a/src/de/dhbwstuttgart/strucTypes/printutils/SyntaxTreePrinter.java
+++ b/src/de/dhbwstuttgart/strucTypes/printutils/SyntaxTreePrinter.java
@@ -390,7 +390,7 @@ public class SyntaxTreePrinter implements ASTVisitor {
 
 	@Override
 	public void visit(GenericRefType genericRefType) {
-		throw new NotImplementedException();
+		System.out.println("GenRT " + genericRefType.getParsedName());
 	}
 
 	@Override