@book{28438,
	author = {Colbourn, Charles J. and Dinitz, Jeffrey H.},
	title = {Handbook of combinatorial designs},
	publisher = {Chapman & Hall/CRC Press,},
	year = {2007},
	address = {Boca Raton:},
	edition = {2nd},
	note = {"Purchased under NBHM grant for the year 2006-2007"}
}