Barnes, H.F. <br/><br/>
Gall midges of economic importance/�H.F. Barnes 

 - London :  Crosby Lockwood,  1946-1969 
 - 8v. :  ill. 
<br/><br/> v.8 by W. Nijveldt  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gall midges