Micropower electro-magnetic sensors for speech characterization, recognition, verification, and other applications. - John F. Holzrichter; Gregory C. Burnett; Todd J. Gable; Lawrence C. Ng (ICSLP, 1998)

Denoising of human speech using combined acoustic and EM sensor signal processing. - Lawrence C. Ng; Gregory C. Burnett; John F. Holzrichter; Todd J. Gable (ICASSP, 2000)