Goulson, Dave <br/><br/>
Bumblebees  their behaviour and ecology 
by Dave Goulson 
 - Oxford  Oxford University Press  2003 
 - ix, 235p. 
<br/><br/><label>ISBN: </label>0198526075 
<br/><br/><label>Dewey Class. No.: </label>595.799  / P03