White, G. F <br/><br/>
European foulbrood  / 
by G. F. White 
 - Washington  :   Department of Agriculture 
 - 39 p. + 8 láms. 
 - EUA. Dept. of Agriculture Bull.; 810 .
<br/><br/><label>LCCN: </label>202925 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Loque europea  Abejas -- Enfermedades