A novel electrooptical proximity sensor for robotics: calibration and active sensing. - Adi Bonen; Ricardo E. Saad; Kenneth C. Smith; Beno Benhabib (IEEE Trans. Robotics Autom., 1997)

Inverse analysis for the recovery of forces applied to photoelastic tactile transducers. - Ricardo E. Saad; Adi Bonen; Kenneth C. Smith; Beno Benhabib (J. Field Robotics, 1998)