Paper presented to me commonwealth Geographical Bureau, Workshop on Natural Resouces in Tropical Countries, April, 1981, Swansea, U.K). 

 - Swansea  Commonwealth Goegraphical Bureau  1981. 
 - 1v. (various pagings) 32 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources--Tropics--Congresses.