Waltman, Paul <br/><br/>
Deterministic threshold models in the theory of epidemics   

 - Berlin  Springer-Verlag  1974 
 - 101p. 
 - Lecture notes in Biomathematics    1 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>519.5024574  / W237.DT