000 00340n a2200157 a 4500
000 B B
001 006498
005 20220201171641.0
082 _a020
100 _aSharma, C D
245 _aUse eng Libraries
260 _aNew Delhi
_bMetropolitian
_c1978
300 _axiii,345p.
690 _aLibrary Science
908 _aG
999 _c6498
_d6498