00503nam a22001817a 4500 59586 59586 WUSLLib 170516b xxu||||| |||| 00| 0 eng d 9788188658398 English 025.00285 UPA Upadhaya, J.L. 5523 Information retrieval and digital libraries New Delhi Shree publishers 2004 vii,300 p. 21cm. Information retrieval 5524 Digital libraries 5477 ddc PR 0 0 ddc 0 1 REF MKDL MKDL REF 2017-05-16 0 025.00285 UPA 62531 2017-05-16 00:00:00 2017-05-16 PR