00414nam a22001457a 4500003000400000005001700004008004100021020001500062040002900077050002100106100003700127245006600164260002800230300001000258OSt20240701114402.0240701b        |||||||| |||| 00| 0 eng d  a1853830976  cChuka University Library  aQH 77b.D59 1990  aDixon, John A. & Paul B. Sherman  aEconomics of Protected Areas: New looks at benefits and costs  aLondonbEarthscanc1990  a234p.