Bee disease slide set (Diapositiva) 

 - Guelph, Ontario :  University of Guelph,  (198?) 
 - 24 diapositivas col. 2 x 2 plg. y guía 
<br/><br/><label>LCCN: </label>45315 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abejas--Enfermedades.