by DuBroff, R.E., Raza, M.I., Herrick, T.J.
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01.11.1995)

by Bryant, A.W., Herrick, T.J.
Published in [1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems (1991)

by Herrick, T.J., Davis, F.C., Hollis, M.J., Lousteau, D.C.
Published in [Proceedings] The 14th IEEE/NPSS Symposium Fusion Engineering (1991)