000			00344nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a9.78E+12
082			_a515
082			_b9 S41S
100			_a"Spiegel, Murray R."
245		0	_aTheory And Problems of C
260			_aSingapore
260			_bS.O.S.
260			_c1981
300			_a279
999			_c35355 _d35355