Botkin, Daniel B. <br/><br/>
Discordant harmonies :  a new ecology for the twenty first century. 

 - Oxford :  OUP,  1990. 
 - x, 241 p. 
<br/><br/><label>ISBN: </label>0195074696 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature conservation.
<br/><br/><label>LC Class. No.: </label>QA75  / .B67