@book{Mayh99,
	title = {The Usability Engineering Lifecycle. A Practitioner's Handbook for
	User Interface Design.},
	author = {D. J. Mayhew},
	publisher = {Morgan Kaufmann Publishers},
	year = {1999},
	biburl = {http://www.bibsonomy.org/bibtex/2f43e0ba3c15c1247fb12f7b57eb9349e/carsten},
	owner = {ritterskamp}, timestamp = {2006.03.22},
	keywords = {engineering pd usability }
}