Egan, H, ed <br/><br/>
Collaborative interlaboratory studies in chemical analysis: lectures presented at the international symposium on harnonization of collaborative analytical studies, Helsinki, Finland, 20-21 August, 1981 

 - Oxford  Pergamon  1982 
 - ix, 171 p. 
<br/><br/><label>Dewey Class. No.: </label>543 E14C