?url_ver=Z39.88-2004&rft_id=doi%3A10.4324%2F9781936331499&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Ayres%2C+R.&rft.aulast=Ayres&rft.aufirst=R.&rft.date=2005&rft.isbn=978-193633149-9&rft.title=Resources%2C+scarcity%2C+technology+and+growth&rft.btitle=Scarcity+and+Growth+Revisited&rft.genre=bookitem