000 00313nam a2200109Ic 4500
008 240520s9999 xx 000 0 und d
100 1 _aWentworth, george
245 1 0 _aPlane trigonometry and tables /
_cgeorge Wentworth
264 1 _aUSA
_bGinn & Co.
_c1977
300 _av.; 186.;p + 104.;p ill.; 22cm
942 _cBK
999 _c17731
_d17731