Hamilton, J. <br/><br/>
New developments in dispersion theory: dynamical singularities and amplitude analysis. 

 - Kobenhavn :  NORDITA,  1975. 
 - 218 p. 
<br/><br/> Lectures given at The Niels Bohr Institute and NORDITA Copenhagen 
<br/><br/><label>Universal Decimal Class. No.: </label>539.171