%0 Conference Proceedings %F LLMC04Systematic %A Levendovszky, Tihamér %A Lengyel, László %A Mezei, Gergely %A Charaf, Hassan %T A systematic approach to metamodeling environments and model transformation systems in VMTS %B International Workshop on Graph-Based Tools (GraBaTs) %C Rome, Italy %D 2004 %U http://tfs.cs.tu-berlin.de/grabats/Final04/levendovszky.pdf