Food and Agricultural Orginization <br/><br/>
Recommended international tolerances for pesticides residues 

 - Rome  Food and Agricultural Orginization of the United Nations  1970 
 - 18p.; 21cm.- 
 - Joint F A O/W H O foor Standarts programme series ; no .2 .
<br/><br/><label>Dewey Class. No.: </label>574.192  / FAO