J. J. Tietjen

The Transition from Graduate School to Industrial Research

J. J. Tietjen, 1966 .

THE PREPARATION AND PROPERTIES OF VAPOR‐DEPOSITED SINGLE‐CRYSTAL‐LINE GaN

J. J. Tietjen, H. Maruska, J. Tietjen, 1969 .

Current status of negative electron affinity devices

B. F. Williams, J. J. Tietjen, J. Tietjen, 1971 .