@techreport{anderer06a, author = {Jochen Anderer and Rainer Bloch and Thomas Mohaupt and Rainer Neumann and Alexa Schumacher and Olaf Seng and Frank Simon and Adrian Trifu and Mircea Trifu}, institution = {FZI Forschungszentrum Informatik}, issn = {0944-3037}, month = {June}, number = {1-6-6/06}, title = {Methoden und Werkzeuge zur Sicherung der inneren Qualit{\"a}t bei der Evolution objektorientierter Softwaresysteme}, year = {2006} }