Mahapatra, Piyush Kanti Preservation in Libraries : perspectives principles and practice/ Piyush Kanti Mahapatra and Bhubaneswar Chakrabarti. - New Delhi : Ess Ess, 2003 - 261 p. : ill. ; 22 cm. Includes Index. Includes Bibliographical references : p. 253-257. ISBN: 8170003520 (hbk.)