@book{123427,
	author = {Kumar, Suseela,},
	title = {The changing concepts of reference service /},
	publisher = {Vikas Pub. House,},
	year = {1974.},
	series = {Sarada Ranganathan Endowment for Library Science series ; 7},
	address = {Delhi :},
	edition = {1st ed.},
	note = {Includes index.}
}