000 00406nam a2200169Ia 4500
008 200202s9999 xx 000 0 und d
020 _a706903021
082 _a025.52 Sus
100 _a"Kumar , Suseela"
245 0 _aChanging concepts of reference service
260 _aDelhi
260 _bVikas Pub.
260 _c1974
300 _a327p
650 _aReference & Information Services
942 _cB
999 _c3532
_d3532