000 00262nam a2200109Ia 4500
008 211209s1950 xx 000 0 und d
041 _aeng
082 _a516.23 N50 PRE/VID
100 _aPREM KUMAR SINGHAL
245 _aINTERMEDIATE SOLID GEOMETRY
260 _c1950
999 _c1344
_d1344