@inproceedings{PrRi06,
	title = {Collaboration Support by Co-Ownership of Documents},
	author = {M. Prilla and C. Ritterskamp},
	booktitle = {Cooperative Systems Design. Seamless Integration of Artifacts and},
	editor = {P. Hassanaly and T. Herrmann and G. Kunau and M. Zacklad},
	publisher = {IOS Press},
	series = {Frontiers in Artificial Intelligence and Applications},
	url = {https://web-imtm.iaw.ruhr-uni-bochum.de/pub/bscw.cgi/0/208299/30604/30604.pdf},
	volume = {137},
	year = {2006},
	biburl = {http://www.bibsonomy.org/bibtex/248abe997e28dca7ff8babbb56fb228d0/michael},
	pdf = {collaboration\PrRi06.pdf},
	keywords = {co-ownership collaboration coop groupware grouwi imtm kolumbus ownstuff }
}