Robin Clarke <br/><br/>
The silent weapons 

 - New York.  Inc. David McKay Company,  1968. 
 - xiv,270p.   ;21cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological weapons <br/>Chemical weapons
<br/><br/><label>LC Class. No.: </label>UG447.8.C55