000 00339nam a2200145Ia 4500
008 170101s1961 xx 000 0 und d
082 _a516.2 S62A
100 _aSOMMERVILLE, D.M.Y
245 0 _aAnalytical conics
260 _bLondon
_c1961
300 _a310p
650 _aCONIC SECTIONS
653 _aCONIC SECTIONS
942 _2ddc
_cB
999 _c24517
_d24517