000 00276nam a22001097a 4500
082 _a516.24 AYR'T
100 _aAYRES, FRANK
_98744
245 _aTHEORY AND PROBLEMS OF PLANS AND SPHERICAL TRIGONOMETRY
260 _aNEWYORK
_bMCGRAW HILL
_c1954
300 _a207P
942 _cBK
999 _c582728
_d582728