@conference {Vidacs09, title = {Refactoring of {C}/{C++} {P}reprocessor Constructs at the Model Level}, booktitle = {Proceedings of ICSOFT 2009, 4th International Conference on Software and Data Technologies}, year = {2009}, month = {July}, pages = {232-237}, author = {L{\'a}szl{\'o} Vid{\'a}cs} }