The fragile environment / 
edited by Laurie Friday and Ronald Laskey 
 - Cambridge :  Cambridge University Press,  1989 
 - 198 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0521422663 
<br/><br/><label>LCCN: </label>88-02855 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Natural conservation<br/>Conservation of natural resources