000			00361nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a70414653
082			_a515
082			_bM525 M
100			_a"Mendelson, Elliott"
245		0	_aTheroy And Problem Of Be
260			_aNew York
260			_bMcGRAW-HILL BOOK COMPANY
260			_c1985
300			_a344
999			_c23421 _d23421