McLean, R. C. <br/><br/>
Practical field ecology : A guide for the botany departments of universities, colleges and schools 

 - London:  George Allen & Unwin,  1957 
 - 216 p.:  ill. ;  19cm. 
<br/><br/> Acc. No. 01315 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology