Ramm, A.G <br/><br/>
Scattering by obstacles 
A.G. Ramm 
 - Dordrecht  D.Reidel  1986 
 - xiv  423 
 - Mathematics & its applications 21 .
<br/><br/><label>ISBN: </label>9027721033 
<br/><br/><label>Dewey Class. No.: </label>13.04  / RAMM