Sehgal, R.L. . Cataloguing: Theory and Practice / by R.L. Sehgal. - 2nd rev ed 1994 / - Delhi : Ess Ess Publications , 1994 - 273p ; ISBN: 81-7000-163-3 Subjects--Topical Terms: Library- Cataloguing Dewey Class. No.: 2:12 / N4;1