K. Sundaresan, G.K. Ho, S. Pourkamali, and F. Ayazi, “Electronically temperature compensated silicon bulk acoustic resonator reference oscillator,” IEEE Journal of Solid State Circuits, vol. 42, no. 6, pp. 1425–1434, June 2007. 
K. Sundaresan, G.K. Ho, S. Pourkamali, and F. Ayazi, “Electronically temperature compensated silicon bulk acoustic resonator reference oscillator,” IEEE Journal of Solid State Circuits, vol. 42, no. 6, pp. 1425–1434, June 2007.