Sale, Colin. <br/><br/>
Our changing world, Book 1 :  the vanishing natural ecosystems / 
Colin Sale, Ben Friedman and Graeme Wilson. 
 - Melbourne :  Longman Cheshire,  c1980 [Reprinted 1982]. 
 - 198 pages :  illustrations ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography.<br/>Nature--Effect of human beings on.
<br/><br/><label>Dewey Class. No.: </label>910 SAL