Agnew Grace Digital rights management A librarian's guide to technology and practice. - Oxford Chandos Publishing 2008 - xiv,437p cm. - Chandos information professional series. . ISBN: 3136.4699999999998 Standard No.: 101895 Source: 460, 11/11/2009, Pioneer Book Distributors Textual Subjects--Topical Terms: Reference Dewey Class. No.: 2:98, P8