@inbook {Jorgensen.2006.9,
	title = {Expert Estimation of Software Development Work},
	booktitle = {Software Evolution and Feedback: Theory and Practice},
	year = {2006},
	pages = {489-503},
	publisher = {Wiley},
	organization = {Wiley},
	chapter = {25},
	author = {J{\o}rgensen, Magne and Sj{\o}berg, Dag Ingar Kondrup},
	editor = {Nazim H. {Madhavji} and Fernandez-Ramli, Juan and Perry, Dewayne}
}
