Dynamics of Rotors.Symposium Lyngby(Denmark). August 12-16,1974 / 
Ed. Niordson F.I. 
 - Berlin :  Springer,  1975. 
 - XII,564 s.,bibliogr. ;  24 cm. 
<br/><br/> International Union of Theoretical and Applied Mechanics. 
<br/><br/><label>Universal Decimal Class. No.: </label>62-253(061.3)