000 00339nam a2200145Ia 4500
008 170101s1949 xx 000 0 und d
082 _a514.5 R50P
100 _aRIDER, Paul R.
245 0 _aPlane trignometry
260 _bN.Y.
_c1949
300 _a180p
650 _aTRIGNOMETRY, PLANE
653 _aTRIGNOMETRY, PLANE
942 _2ddc
_cB
999 _c8496
_d8496