000 00386nam a2200157Ia 4500
008 230524s9999 xx 000 0 und d
050 _aZ711.W54
100 _aWhittaker, Kenneth
245 0 _abasics of library-based user services
260 _aLondon
260 _c1993
300 _avii,133p.
300 _c23cm.
942 _2Library of Congress Classification
942 _cBook
999 _c11833
_d11833