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040			_e70072 _aMAIN
041			_aEnglish
082			_a658.403 V26A
100			_aVan Gigch, John P
245		0	_aApplied general systems theory
250			_a2nd ed.
260			_aNew York _bHarper and Row _c1978
300			_axiv, 602 p.
942			_cBK
999			_c204673 _d204673