000			00330nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a057421965X
082			_a1
082			_b6425 E
100			_a"Ellzey, Roy S"
245		0	_aComputer System Software
260			_aUSA
260			_bSRA
260			_c1987
300			_a292
999			_c28076 _d28076