Jeffers John N R <br/><br/>
Intriduction to system analysis    with ecological applications 
Jeffers John N R 
 - London  Edward Arnold        1978 
 - x,1980p.  cm. 
 - Series of students texts in contemporary biology .
<br/><br/><label>Standard No.: </label>133,836 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>X:89M:(G:5), L8