@book{44580,
	author = {Cameron, Adrian Colin. and Trivedi, P. K. and ebrary, Inc.},
	title = {Regression analysis of count data},
	publisher = {Cambridge University Press,},
	year = {1998.},
	series = {Econometric Society monographs ;},
	address = {Cambridge, UK ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10073578}
}