000 00372 a2200157 4500
020 _a0706964306
041 _aEnglish
082 _a025.5
_bKUM
100 _aKrishan Kumar
245 _aReference services
250 _a04th ed
260 _c1991
_aNew Delhi
_bVikas publishing House
_g1991
300 _a431p
650 _aLibrary and information science
942 _cPRB
999 _c1389
_d1389