Alekseeva, E.A..  <br/><br/>
Metally i splavy dlja uprugich elementov radio-komponentov /  
Alekseeva E.A., Konovalova I.N.. 
 - Moskva :   Energija,   1971. 
 - 144 s.;   24 cm. 
 - Applied Mathematics Series .
 - Applied Mathematics Series .