Euromech Colloquim No 112.Matrafured /Hungary/ 21-23 February,1979.Bracketing of Eigenfrequencies of Continuous Structures / 
Red. Bosznay A. 
 - Budapest :  Akademiai Kiado,  1980. 
 - 669 s.,bibliogr. ;  24 cm. 
<br/><br/><label>Universal Decimal Class. No.: </label>51(061.3)  531/534  532(061.3)  533(061.3)  534(061.3)