Stevens, B. <br/><br/>
Atomic structure and valency for general  students of chemistry 
<label>/ by </label> Stevens, B. 
 - London  Chapman and Hall  1962 
 - viii,104p.  ill  19 cm. 
<br/><br/>SR 
<br/><br/><label>Dewey Class. No.: </label>541.396  / S