Validation of analytical methods for food control.   

 - Rome :   Food and agricultural Organisation,   1998. 
 - 19 p. ;    30 cm 
 - FAO, food and nutrition paper ;   no. 68 .
<br/><br/><label>ISBN: </label>9251041318 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Food supply --Seasonal variations.------