Kristensen, Thorkil, ed. <br/><br/>
The earth's fragile systems : perspectives on global change 

 - Boulder, Colo. :  Westview Press,  1988 
 - 109 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECOLOGY<br/>ENVIRONMENTAL PROTECTION<br/>MAN--INFLUENCE ON NATURE<br/>CONSERVATION OF NATURAL RESOURCES
<br/><br/><label>LC Class. No.: </label>QH541  / K74E