D. S. Howarth

Barrier determinations on Ge–AlxGa1−xAs and GaAs–AlxGa1−xAs p‐n heterojunctions

D. Feucht, D. S. Howarth, 1973 .

Sensor for On-Vehicle Detection of Engine Exhaust Gas Composition

William J. Fleming, W. Fleming, David S. Howarth, 1973 .

A Simple Titania Thick Film Exhaust Gas Oxygen Sensor

Adolph L. Micheli, A. Micheli, David S. Howarth, 1984 .

Zirconia-based lean air-fuel ratio sensor

D. S. Howarth, R. V. Wilhelm, 1978 .