@proceedings {485,
	title = {Policy Engagement as Rigourous and Relevant Information Systems Research: The Case of the LSE Identity Project},
	year = {2007},
	note = {http://personal.lse.ac.uk/whitley/allpubs/ecis2007.pdf},
	pages = {1301-1312},
	publisher = {University of St. Gallen},
	address = {St. Gallen},
	url = {ECIS2007.pdf},
	author = {Edgar A. Whitley and Ian R Hosein},
	editor = {Hubert {\"O}sterle and Schelp, Joachim and Winter, Robert}
}
@article {DBLP:conf/ifip8-2/HeymO92,
	title = {A Reference Model for Information Systems Development},
	year = {1992},
	pages = {215-239},
	author = {Michael Heym and Hubert {\"O}sterle}
}
