000 00302nam a22001217a 4500
082 _a516
_bDUR/G
100 _aDurrell, Clement. V.
245 _aGeometry and trigonometry /
_cClement. V. Durrell
260 _c1961.
_bG B CORPORATION,
300 _a488p.:
_bpb.
500 _aIncludes Index
942 _cBK
999 _c20537
_d20537