International Symposium on Discharges and Electrical Insulation in Vacuum (5th  1972  Poznan, Poland) <br/><br/>
Discharges and electrical insulation in vaccum   

 - Poznan  PP-TUP  1972 
 - 423p. 
<br/><br/><label>Dewey Class. No.: </label>621.31937  / N72