UNSWORTH,M.H <br/><br/>
Effects of Gaseous Air Population in Agriculture and Hoticultute 

 - London.  Butterworth Scientific Pub, G  B          1982 
 - (XIV),532p 
<br/><br/><label>ISBN: </label>408107057 
<br/><br/><label>Dewey Class. No.: </label>630.31