@book{TUW-136994, editor = {Tjoa, A Min and Quirchmayr, Gerald and Bauknecht, Kurt}, title = {E-Commerce and Web Technologies Proceedings EC-Web 2002}, publisher = {Springer}, year = {2002}, url = {http://link.springer.de/link/service/series/0558/tocs/t2455.htm}, isbn = {3-540-44137-9} }