Dixon, John A. <br/><br/>
Economics of protected areas :  a new look at benefits and costs / 
John A. Dixon, Paul B. Sherman. 
 - London :  Earthscan,  1990. 
 - xvii, 234 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Protected areas.
<br/><br/><label>LC Class. No.: </label>S944.5  / .P78D59