Slingsby D. <br/><br/>
Practical ecology 
David Slingsby and Ceridwen C. 
 - London  Macmillan  1986 
 - x, 212p: ill;  Hbk 
<br/><br/><label>ISBN: </label>0333398130 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Enviromental Sciences