000 00402nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a514 R4:1
100 _a"Rider, Paul R"
245 0 _aPlane and Spherical Trigonometry
250 _a\\194800ENGGPSX
260 _aMacmillan
260 _b1948
260 _cNewyork
300 _a620p
500 _aincludes index and biblioraphy
942 _cBK
999 _c7771
_d7771