@INPROCEEDINGS{Ben_j2003, Author = {Klaus~Benecke}, Title = {{Algebraische Spezifikation von XML-Dokumenten}}, booktitle = {{Von e-Learning bis e-Payment 2003. Tagungsband LIT 2003, Leipziger Informatiktage}}, editor = {Klaus~P.~Jantke and Wolfgang~S.~Wittig and J{\"o}rg Herrmann}, year = 2003, publisher = {Akademische Verlagsgesellschaft Aka GmbH}, address = {Berlin}, pages = {56--66} }