Johnson, Mary <br/><br/>
Chemistry experiments 
En cubierta  Chemistry experiments :  safe experiments to do at home 
/por Mary Johnson 
 - Londres :  Usborne,  1981 
 - 64 p. :  ilus. 
 - Pocket scientist .
 - Pocket scientist .
<br/><br/><label>ISBN: </label>0860205274 
<br/><br/><label>LCCN: </label>101275 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Química--Experimentos.
<br/><br/><label>Dewey Class. No.: </label>543.078  / J63