The Biological environment / 
general editors, John Lenihan and William W. Fletcher. 
 - Glasgow :  Blackie,  1979. 
 - xii, 164 p. :  ill. 
 - Environment and man ;  v. 9 .
<br/><br/><label>ISBN: </label>0216907500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Human ecology.<br/>Environmental protection.