M. H. Unsworth <br/><br/>
Effects of gaseous air pollution in agriculture and horticulture 

 - London  Butter Worths Scientific  1982 
 - 532p 
<br/><br/>M. H. Unsworth & D. P. Ormrod: Effects of gaseous air pollution in agriculture and horticulture.  London.  Butter Worths Scientific, 1982. 0-408-10705-7--(581.5222UNS)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-408-10705-7 
<br/><br/><label>Dewey Class. No.: </label>581.5222  / UNS