Atoms, elements and isotopes  : atomic structure. 

 - London :  The Open University,  1971. 
 - 39p.  : ill.  ; 30cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atomic structure<br/>Electronic structure<br/>Quantum chemistry
<br/><br/><label>LC Class. No.: </label>QTO QC171.2.O63