The papers are entitled:

"Achieving the Intrinsic Limit of Quality Factor in VHF Extensional-Mode Block Resonators"

"Investigation of Phonon-Carrier Interactions in Silicon-Based MEMS Resonators"

"Temperature Coefficient of Frequency in Silicon-Based Cross-Sectional Quasi Lamé Mode Resonators"

The paper is entitled: " Cross-sectional quasi-Lame modes in thin-film piezoelectric- on silicon resonators"