Pollution and the use of chemical in agriculture   
ed. by D. E. G. Irvine and Brian Knights. 
 - London  Butterworths  1974 
 - 136p. 
<br/><br/><label>ISBN: </label>0 408 70544 2 
<br/><br/><label>Dewey Class. No.: </label>628.168  / N743