Greiner, Walter Muller, Berndt <br/><br/>
Quantum Mechanics Symmetries 

 - 2nd ed. 
 - New York  Springer  1994 
 - p.496 
<br/><br/><label>ISBN: </label>3540780475 
<br/><br/><label>Subjects--Topical Terms: </label> Hypercharge  Quarks  Charm  Dynamical symmetries 
<br/><br/><label>Dewey Class. No.: </label>530.12 G82Q