000 00331nam a2200133Ia 4500
008 190709s9999 xx 000 0 und d
082 _a514.6 R447
100 _aRietz, H L
245 0 _aPlane and spherical trigonometry
250 _a3rd
260 _aNew york
_bThe macmillan company
_c1957
300 _axiii,205+20+
942 _cBK
999 _c3469
_d3469