F.J. Simmonds <br/><br/>
Proceedings of the first international symposium on biological control of weeds 

 - England  Common Wealth Agricultural Bureaux Farnham Royal  1970 
 - 110p 
<br/><br/>F.J. Simmonds: Proceedings of the first international symposium on biological control of weeds.  England.  Common Wealth Agricultural Bureaux Farnham Royal, 1970.--(632.9606SIM)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>632.9606  / PISBC