000 00260nam a2200109Ia 4500
008 160710s1938 xx 000 0 und d
100 _aDURELL C.V & ROBEON .A
245 _aSHORTER ADVANCED TRIGNOMETRY
260 _bBELL
_c1938
300 _a171
942 _2ddc
_cB
999 _c4450
_d4450