@book{31440,
	author = {Morton, Avery A.},
	title = {The chemistry of heterocyclic compounds},
	publisher = {McGraw-Hill Book Co., Inc.},
	year = {1946.},
	series = {International chemical series; L.P. Hammett, PH. D., consulting editor},
	address = {New York},
	edition = {1st ed.}
}