000 00330nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a338
082 _b9 561I
100 _a"Singh, Nawal Kishore"
245 0 _aIndustrial Progress And
260 _aNew Delhi
260 _bClasical Pub.
260 _c1982
300 _avi-216
999 _c22090
_d22090