Dunn.R.B <br/><br/>
The periodic pable, atomic structure and valency 
R. B. Dunn 
 - London:  The English Universities,  1968. 
 - 55p. 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>546.8  / DUP