Needs in specialist personnel for the preparation 

 - Paris  The Author           1969 
 - 126p. Bib p 125-26  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Security
<br/><br/><label>Dewey Class. No.: </label>X65291.5.N6, K9