Jeffers, John N. R. <br/><br/>
An introduction to systems analysis; with ecological applications 

 - Baltimore, Md., :  University Park,  1978 
 - 198 p.  ; gráfs 
 - A series of student texts in contemporary biology .
 - A series of student texts in contemporary biology .
<br/><br/><label>LCCN: </label>17017 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Análisis de sistemas.<br/>Ecología--Modelos matemáticos.
<br/><br/><label>Dewey Class. No.: </label>574.5  / J4