Conference on elecromagnetic interactions and field theory (Schladming,1975) <br/><br/>
Electromagnetic interactions and field theory   
ed. by Paul Urban. 
 - Wein  Springer-Verlag  1975 
 - 681p. 
 - Acta physica austrica  supplementarum 14 .
<br/><br/><label>ISBN: </label>3211813330 
<br/><br/><label>Dewey Class. No.: </label>530.14  / N751;1