Ruttner, Friedrich <br/><br/>
Biogeography and taxonomy of honeybees / 
Friedrich Ruttner 
 - Berlin :  Springer-Verlag,  1988 
 - 284 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>3540177817 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Apis Clusects)<br/>Honeybee--Himalaya Mountains regions