Cushing, J. M. <br/><br/>
Integro differential equations and delay models in population dynamics   

 - Berlin  Springer-Verlag  1977 
 - 196p. 
 - Lecture notes in Biomathematics    20 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>515.35  / C984.IE