Nardo, Don <br/><br/>
Invisible weapons: the science of biological and Chemical warfare 
Carlson, Debra 
 - Mankato, MN  Compass Point Books  2011 
 - 48 Pages  Colour illustrations  25 cm 
<br/><br/> Juvenile 
<br/><br/><label>ISBN: </label>9780756542177 
<br/><br/><label>Dewey Class. No.: </label>J 358.3 NARD