000 00325nam a22001214a 4500
082 _a514.6 DON
084 _2Colon Classification
100 _aDonnay, J,D, H
245 _aSpherical Trigonometry After The Cesaro Method
_c
260 _aNew York:
_bInterscience Publishers,Inc,
_c1945.
300 _aXI,83p.
942 _cBK
999 _c520931
_d520931