@InProceedings{RoettgerAigner02, author = {Simone R{\"o}ttger and Ronald Aigner}, title = {Modeling of Non-Functional Contracts in Component-based Systems using a Layered Architecture}, booktitle = {Component Based Software Engineering and Modeling Non-functional Aspects (SIVOES-MONA), Workshop at {\UML} 2002}, adress = {Dresden, Germany}, month = oct, day = 1, year = 2002, }