@inproceedings{RRSX11, author = {R\"{u}nger, G. and Reichel, T. and Steger, D. and Xu, H.}, title = {{IT Support for the Creation and Validation of Requirements Specifications - With a Case Study for Energy Efficiency}}, booktitle = {Proceedings of the 18th International Conference on Engineering Design ICED11}, volume = {10}, pages = {167--177}, year = {2011}, isbn = {978-1-904670-32-2}, publisher = {The Design Society}, }