000			00350nam a2200133Ia 4500
008			240913s9999||||xx |||||||||||||| ||und||
082			_aGS 004.21 GOR/E
100			_aMarvin Gore and John Stubbe
245		0	_aElements of system analysis
250			_a3rd ed.
260			_bGalgotia Book Source _aNew Delhi _c1996
300			_a616
942			_cBKS
999			_c10378 _d10378