000 00310nam a2200121Ia 4500
008 160710s1940 xx 000 0 und d
082 _a514 K 40 P
100 _aKELLS, LYMAN M.
245 _aPLANE AND SPHERICAL TRIGONOMETRY
260 _aLONDON
_bMCGREW HILL BOOK CO.
_c1940
300 _a119
942 _2ddc
_cB
999 _c12682
_d12682