Earl, B. <br/><br/>
GCSE Chemistry / 
B. Earl & L.D. Wilford. 
 - London :  Butler & Tanner,  1999. 
 - 276 p. 
<br/><br/><label>ISBN: </label>0719553032 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry