000 00353nam a22001337a 4500
041 _aeng
082 0 _a025.4
100 1 _aDutta, D. N.
_9110784
245 1 0 _aLibrary classification manual
260 _aCalcutta :
_bWorld Press,
_c1978.
300 _a321p.;
_c20 cm.
650 4 _aLibrary classification
_9110785
650 4 _aLibrary manual
_9110786
999 _c275588
_d275524