Walker, William,  1946- <br/><br/>
Fissile material stocks :  characteristics, measures and policy options / 
William Walker and Frans Berkhout. 
 - New York :  United Nations,  1999. 
 - x, 60 p. :  ill. ;  21 cm. 
<br/><br/> "UNIDIR/99/8." 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9290451319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioactive substances--Storage.<br/>Reactor fuel reprocessing--Security measures.<br/>Nuclear nonproliferation.<br/>Plutoniu
<br/><br/><label>Dewey Class. No.: </label>621.4835