Quantum theory of solids/ 
Peierls,R.E. 
 - 1st ed. 
 - Oxford:  Clarendon press,  1955. 
 - 229 
<br/><br/><label>ISBN: </label>9780198507819 
<br/><br/><label>Dewey Class. No.: </label>530.12  / PEI/Q