World Book Inc <br/><br/>
Young scientist : discovering gases 

 - 1 
 - London  World book Inc  1994 
 - 62p. 
<br/><br/><label>ISBN: </label>0716663031 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedias
<br/><br/><label>Dewey Class. No.: </label>500.03 WOR