Oasmann, R. F. <br/><br/>
Classification and use of protected natural and cultural areas:  a report prepared  within the IUCN Secretariat in collaboration with the IUCN Commission on Ecology and International Commission on Natural Parks... / 
R. F. Dasmann 
 - Morges, Switzeland:  International Union for Conservation of Nature and Natural Resources,  1973 
 - 24p. 
 - IUCN occasional paper;  no.4  .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural areas<br/>Natural parks and reserves