@book{7448,
	author = {Husain, S.K. and Magarat, M.S.},
	title = {Textbook of Surveying },
	publisher = {S Chand & Co Ltd,},
	year = {1987.},
	address = {New Delhi},
	edition = {5th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/8121904234/chopaconline-20}
}