The Fragile environment :  the Darwin College lectures / 
edited by Laurie Friday and Ronald Laskey. 
 - Cambridge :  Cambridge University Press,  1989. 
 - x, 198 p. :  ill. ;  26 cm. 
<br/><br/> Lectures delivered in Cambridge in 1987. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780521422666 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Nature conservation.<br/>Conservation of natural resources.