000 00281nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
100 _aSatija, MP & Aggrawhl, SP
245 0 _aBook numbers
250 _a1
260 _bNewDelhi: Concept Pub.
_c1990
300 _a96
942 _2ddc
999 _c84626
_d84626