@book{2319,
	author = {K, Bansal R.},
	title = {Heterocyclic chemistry 5/e /},
	publisher = {New Age International Publishers Ltd.-New Delhi,},
	year = {2012.},
	address = {New Delhi},
	url = {http://www.amazon.com/exec/obidos/ASIN/8122435858/chopaconline-20}
}