TY  - SER
AU  - Caliloglu, Hasan
AU  - Demir, Ersin
AU  - Yilma, Yasin
TI  - Vibration Behavior of a Radialiy Functionaliy Graded Annular Disc with  Variable Geometry
KW  - Fgm Disc
KW  - Free Vibration
KW  - Functionaliy Graded Materials
ER  -