@book{1931,
	author = {Arora, C. L.},
	title = {B. sc practical physics /},
	publisher = {S Chand & Co Ltd,},
	year = {2010.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/8121909090/chopaconline-20}
}