Burkhardt, Hugh <br/><br/>
Dispersion Relation Dynamics 
/ by Hugh Burkhardt 
 - London:  North-Holland Publishing Company,  1969. 
 - viii, 289p.; 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>539.754  / BUR/D