Kahn Miriam B. Protecting your library's digital sources The essential guide to planning and preservation - New Delhi Ess Ess Publication India 2010 - 99p. cm. - Protecting your library's digital sources : The essential guide to planning and preservation . ISBN: 9788170005926 (hbk) 700 Standard No.: 107395 Source: 140, 05/03/2011, Om Book Distributots Textual Subjects--Topical Terms: LIBRARY SCIENCE Dewey Class. No.: 2:(D65,8(B)):88, Q0