000 00292nam a2200121 a 4500
003 EIA
001 9399
942 _02
_2ddc
_cBK
245 _aTheory and problems of plane and spherical trigonometry
260 _cc1954
008 141112s1954 ck r 000 u spa d
082 _a516.24
_bA985t
999 _c13182
_d13182