USHER Dan <br/><br/>
Income and the hamiltonian. 
USHER Dan 
 - Canada  University of British          1992 
 - 15p.  cm. 
 - Discussion paper ;92-02 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:31.N92, N2