International Symposium on Electrets and Dielectrics, Sao Carlos, SP, Brasil, September 1-6, 1975 

 - Rio de Janeiro  Academia Brasileira de Ciencias  1977 
 - 447 p.  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATERIALES ELECTRICOS<br/>SIMPOSIUM
<br/><br/><label>Universal Decimal Class. No.: </label>537.226(082.21)/A16