000 00250 a2200109 4500
080 _a513.51/55
_bS 644 E
245 1 _aElementary treatise on conic sections
_cby C. Smith
260 _c1924
650 _aConic
100 1 _aSmith, C.
_d
901 _a16670
999 _c24914
_d24914