@book{9560,
	author = {Arora, C. L. },
	title = {Refresher course in B. Sc. physics /},
	publisher = {S. Chand & Company,},
	year = {1957 [reprinted 1999]},
	series = {Refresher course series.},
	address = {New Delhi :},
	note = {including waves,vibration and sound, optics, atomic and molecular physics. and also including solved long answer type, short answer type, obejective type, multiple choice and numerical problems.}
}