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

 - London :  Butterworth,  1982 
 - 532 p.  ; gráfs. 
<br/><br/><label>LCCN: </label>44793 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aire--Contaminacion--Efecto en plantas.
<br/><br/><label>Dewey Class. No.: </label>581.5  / U58