A set of four ICs in CMOS technology for a programmable hearing aid. - Francois Callias; Francois H. Salchli; Dominique Girard (IEEE J. Solid State Circuits, 1989)

Investigation of wireless data transmission between hearing aids. - Crista L. Malick; Steven J. Franke; Qi Xie; Jennifer T. Bernhard; Mitesh Parikh; Douglas L. Jones; Francois Callias (BODYNETS, 2008)

18.1 A 1V 3mA 2.4GHz wireless digital audio communication SoC for hearing-aid applications in 0.18μm CMOS. - Amre El-Hoiydi; Francois Callias; Yves Oesch; Christoph Kuratli; Robert Kvacek (ISSCC, 2014)