Sehgal, R L. Cataloguing, Theory and Practice / By R L Sehgal. - 1st Ed. - New Delhi : Ess Ess Publications, 1993, 1993. - 273p. ; 00 cm. ISBN: 9788170001553 Subjects--Topical Terms: LIBRARY SCIENCE. Dewey Class. No.: 025.3 / SEH