The biological environment 
general editors John Lenihan and William W. Fletcher 
 - Glasgow  Blackie  1979 
 - 164p. ill. 22cm 
 - Environment and man  v.9 .
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0216907497 
<br/><br/><label>LCCN: </label>80-107608 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Human ecology<br/>Environmental protection