000			00336nam a2200133Ia 4500
005			20260224041017.0
008			260224s9999||||xx |||||||||||||| ||und||
082			_a909 CLA
100			_aClayton, A.M.H.
245		0	_aSustainability : a systems approach
260			_aLondon: Earthscan Publications _c1996
300			_a258
942			_cBK
999			_c4291 _d4291