00640cam 2200193 450 1942143http://id.bnportugal.gov.pt/bib/porbase/194214320030509123600.00-521-36357-831333PTBN0034794819911025d1990 k y0pory0103 baengUS<The >Earth as transformed by human actionglobal and regional changes in the biosphere over the past 300 Yearsed. by B. L. Turner IICambridgeUniversity Presscop. 1990XVI, 713 p.il.cm502BNpor288050Turner IIB. L.3401520288PTBNRPC502E69coopUPLEmq516276bccoopUPLE359140