000 00269nam a2200109Ia 4500
008 160710s1949 xx 000 0 und d
100 _aTODHUNTER,I AND LEATHAM
245 _aSPHERICAL TRIGNOMETRY
260 _bMACMILLAN AND CO.
_c1949
300 _a275
942 _2ddc
_cB
999 _c13932
_d13932