Azziz, N. <br/><br/>
Reduced matrix elements of the tensor product of two phonon vibration operators. 

 - Pittsburgh :  Wetinghouse,  1969. 
 - s.p. 
<br/><br/><label>Standard No.: </label>WCAP-7273 
<br/><br/><label>Universal Decimal Class. No.: </label>T 10 (1)