World Book Inc <br/><br/>
Young Scientist, 6, Discovering Gases 

 - 2nd Ed. 
 -  WBI  1994 
 - 258p.  23 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>REF
<br/><br/><label>Dewey Class. No.: </label>621.01  / WOR