000 00231nam a2200097Ia 4500
100 _aLloyd L Smail
245 _aTrigonometry: Plane and Spherical
260 _c1952
_aNew York,
_aToronto,
_aLondon
_bMGH
300 _axii+406
942 _cBK
999 _c1027
_d1027