@article{TUW-219163, author = {Pichler, Christian and Huemer, Christian and Wimmer, Manuel}, title = {Evolution of Business Documents Based on UN/CEFACT's Core Components}, journal = {International Journal of Software and Informatics}, year = {2013}, volume = {7}, number = {2}, pages = {331--356}, url = {http://www.ijsi.org/ch/reader/view_abstract.aspx?file_no=i158&flag=1} }