000 00422nam a2200157Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
020 _a70026513
040 _cLDD
100 _aAyers, Frank
245 0 _aSchaum's outline of theory and problems of plane and spherical trigonometry
_cFrank Ayers
260 _aNew York:
_bMcgraw-Hill,
_c1954
300 _a207p,;27cm
901 _b#NUM!
942 _2ddc
_cBK
999 _c28383
_d28383