@book{51886,
	author = {Ranganathan, S. R.},
	title = {Reference service /},
	publisher = {Asia Pub. House,},
	year = {c1961},
	series = {Ranganathan series in library science,},
	address = {London :},
	edition = {[ed.2]},
	note = {Revision of v. 1 of Reference service and bibliograhy, published in 1940.}
}