000 00308nam a2200121Ia 4500
008 160710s1943 xx 000 0 und d
082 _a516.53 SIM21E-2
100 _aSMITH,CHARLES
245 _aAN ELEMENTARY TREATISE ON CONIC SECTIONS
260 _bMACMILLAN AND CO.
_c1943
300 _a449
942 _2ddc
_cB
999 _c6976
_d6976