M. Bertolotti, R. Li Voti, S. Paoloni, C. Sibilia, and G. L. Liakhou, "Local surface deformation analysis by photothermal method,"
in Conference on Lasers and Electro-Optics, J. Bowers, D. Miller, D. Scifres, and A. Weiner, eds.,
Vol. 9 of OSA Technical Digest
(Optical Society of America, 1996), paper CWP5.