@article{Dalal1992,
	title = {Some approximations for the moments of a process used in diffusion
	of new products},
	author = {S. R. Dalal and S. Weerahandi},
	day = {21},
	journal = {Statistics \& Probability Letters},
	month = {Oct},
	number = {3},
	pages = {181--189},
	url = {http://www.sciencedirect.com/science/article/B6V1D-45DHJ87-32/1/e98a2f5ebd9cda78b4a84ad408e4b01f},
	volume = {15},
	year = {1992},
	biburl = {http://www.bibsonomy.org/bibtex/2f27aa5d79308a5ed733a30a592cebe04/smicha},
	keywords = {Epidemic models }
}