@book{3083,
	author = {Narayan, Shanti. and Kapur, J. N.},
	title = {A Textbook of Vector Calculus },
	publisher = {S Chand & Co Ltd,},
	year = {1998},
	address = {New Delhi},
	url = {http://www.amazon.com/exec/obidos/ASIN/8121901618/chopaconline-20}
}