F. Arias, P. J. A. Kenis, B. Xu, T. Deng, O. J. A. Schueller, G. M. Whitesides, Y. Sugimura, and A. G. Evans. 2001. “Fabrication and Characterization of Microscale Sandwich Beams.” Journal of Materials Research, 16, Pp. 597-605.