Managing the human impact on the natural environment :  patterns and processes / 
edited by Malcolm Newson ; with Jeremy Barnes ... [et al.]. 
 - London :  Belhaven Press,  1992. 
 - 282 p. :  ill. ;  25 cm. 
<br/><br/>p. 278-179. 
<br/><br/><label>ISBN: </label>1852931841 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection.<br/>Environmental sciences.