000 00319nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a0486604893
082 _a516.83 H699
100 _aHOFFMANN, B.
245 0 _aABOUT VECTORS
260 _aNEW YORK
_bDOVER
_c1966
300 _aix+134P.,21x14Cms.
942 _cBK
_2DDC
999 _c41802
_d41802