000 00296nam a2200121Ia 4500
008 160710s1990 xx 000 0 und d
082 _a503 AGG
100 _aAGGARWAL, J P AND SINGH, M P
245 _aSACHITRA VIGYAN KOSH
260 _bATMARAM AND SONS
_c1990
300 _a133
942 _2ddc
_cB
999 _c49728
_d49728