Zadoks, Jan C. <br/><br/>
Epidemiology and plant disease management / 
Jan C. Zadoks, Richard D. Schein 
 - New York :  Oxford University Press,  1979 
 - 427 p. :  ill. ;  23 cm. 
<br/><br/>Bibliography : p. 395-407 
<br/><br/><label>ISBN: </label>0195024524 
<br/><br/><label>LCCN: </label>78-8299 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant disease--Epidemics