000			00348nam a2200157Ia 4500
005			20250425161641.0
008			250425s9999 xx 000 0 und d
041			_aeng
082			_a658.4032
245		0	_aTHE ART OF SYSTEMS ANALYSIS
250			_aS.E.
260			_aS.L.
260			_aSin Pais _bPREN _c1971
942			_c01
010			_a25084
999			_c213351 _d213351