@conference {HHH10, title = {Effect of Object Oriented Refactoring on Testability, Error Proneness and other Maintainability Attributes}, booktitle = {Proceedings of the 1st Workshop on Testing Object-Oriented Systems (ETOOS 2010)}, year = {2010}, pages = {Paper 8}, author = {Gy. Heged{\H u}s and D. Heged{\H u}s and Gy. Hrabovszki and Istv{\'a}n Siket} }