000 00337nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a516.2 S644
100 _aSMITH,C
245 0 _aELEMENTARY TREATISE ON CONIC SECTIONS BY THE METHODS OF COORDINATE GEOMETRY
260 _aLONDON
_bMacmillan
_c1956
300 _a21X10
942 _cBK
_2DDC
999 _c10086
_d10086