000			00381nam a2200181Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
082			_a510
100			_aSpiegel M. R.
245		0	_aComplex variables
260			_aNULL
260			_bMcgraw Hill Book Co.
260			_c1981
300			_a313p.
365			_b171
650			_aMATHEMATICS
942			_cDBK
999			_c25501 _d25501