Management systems to reduce impact of nitrates  (Book) 

 - London  Elsevier Applied Science  1989 
 - 274 p.  24 cm. 
<br/><br/><label>ISBN: </label>1851664025 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment. Pollution by nitrates
<br/><br/><label>Universal Decimal Class. No.: </label>631.416.1:628.515/.516 MAN  / 6651