000 00403 a2200169 4500
020 _a0706986423
041 _aEn
082 _a025.52
_bKUM
100 _aKumar , Krishan
245 _aReference service
250 _a05th ed.
260 _c1982
_aNew Delhi
_bVikas
_g1996
300 _c22 cm.
_ax,447 p.
650 _aLIBRARY SERVICES - REFERENCE SERVICES
650 _aLIBRARY SCIENCE
942 _cSC
999 _c17170
_d18717