000 00257nam a2200109Ia 4500
008 170912s9999 xx 000 0 und d
082 _a SUR/P
100 _aSURYANARAYANA IYER S
245 0 _aPROJECTIVE GEOMETRY OF THE CONIC
261 _c1949
942 _cTB
999 _c26735
_d26735