Pesticide residues in food :  Report of the 1968 Joint Meeting of the FAO Working Party of Experts on Pesticide Residues and the WHO Expert Committee on Pesticide Residues, Geneva, 9-16 December 1968 / 
published by FAO and WHO 
 - Rome :  FAO,  1969. 
 - 40 p. ;  23 cm 
 - FAO Agricultural Studies  No.78 .
<br/><br/> PTSL