000 00467nam a2200157 4500
001 41652/85
005 20130515014625.0
008 111112s9999 xx 000 0 und d
082 0 0 _a510. 0212 nat
100 1 _a"0, . "
_93953
245 1 0 _anatural sines and consines to eight decimal places:
_bspecial publication no. 231/
_c ..
250 _a1 ed.
260 _awashington :
_bunited states government
_c1942.
300 _a", 541p.;
_c28 cm."
942 _2lcc
_cBK
999 _c23619
_d23619