@book{78211,
	author = {Chopra, H.R.; Sharma, U.C. and Srivastava, M.K.},
	title = {Library science and its facets; Vol.1.},
	publisher = {Ess Ess Publications},
	year = {1998},
	address = {New Delhi},
	note = {It contains 2 volumes.}
}