Vibration and wear in high speed rotating machinery : Proc.of the NATO advanced study inst.on vibration and wear in high speed rotating machinery,Tr@woia,Seb@wutal,Portugal,Apr. 10-22,1989 / Ed.: J. M. Montalv@=ao e Silva, F. A. Pina da Silva, 1990. - XI,852 p. p. - Текст : непосредственный.