00487nam a2200169Ia 4500008004100000020001500041082001600056100002600072245005600098260005200154300000800206650001400214650002000228653002500248653002200273700002200295170901s1987    xx            000 0 und d  a8170891000  a333.7bS62S  aSouthgate, Douglas D. 0aSustainable Resource Development in the Third World  aDehradunbInternational Book Distributorsc1987  a177  aEconomics  aSocial sciences  aDeveloping countries  aNatural resources  aDisinger, John F.