@book{7214,
	author = {Narayan, Shanti. and Mittal, P.K},
	title = {A Textbook of Vector Analysis },
	publisher = {S Chand & Company Ltd,},
	year = {2016.},
	address = {New Delhi},
	url = {http://www.amazon.com/exec/obidos/ASIN/8121922437/chopaconline-20}
}