@book{TUW-137861, editor = {Futschek, Gerald}, title = {Proceedings of the 8th European Logo Conference}, publisher = {{\"O}sterreichische Computer Gesellschaft}, year = {2001}, address = {Wien}, numpages = {307}, url = {http://www.ocg.at/activities/books/volumes/band%20156/Table%20of%20Contents.htm}, isbn = {3-85403-156-4} }