?url_ver=Z39.88-2004&rft_id=doi%3A10.4324%2F9781936331499&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Simpson%2C+R.D.&rft.aulast=Simpson&rft.aufirst=R.D.&rft.date=2005&rft.isbn=978-193633149-9&rft.btitle=Scarcity+and+growth+revisited%3A+Natural+resources+and+the+environment+in+the+new+millennium&rft.btitle=Scarcity+and+Growth+Revisited&rft.genre=book