Analytical methods for pesticide residues in foods /  
compiled and edited by H.A. McLeod and W.R. Ritcey ; with the assistance of R.A. Gr aham and others. 
 - Rev. ed. 
 - Ottawa :    Information Canada,    1973. 
 - 1 v. (various pagings) :    ill. ;    30 cm. 
<br/><br/>Bibliography: (p. R1-R9.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Pesticide residues in food -- Analysis.<br/> Food -- Analysis.