Dunn, R.B. <br/><br/>
The periodic table atomic structure and valancy 

 - London :  The English university press,  1968. 
 - 55p.;  19cm 
<br/><br/><label>ISBN: </label>340-04954-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chandrens'  Literature
<br/><br/><label>Dewey Class. No.: </label>546.8  / DUN