by Shortencarier, M.J., Dayton, P.A., Bloch, S.H., Schumann, P.A., Matsunaga, T.O., Ferrara, K.W.
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01.07.2004)

by Gardner, E.E., Schumann, P.A.
Published in Solid-state electronics (01.02.1965)

by Schumann, P.A., Phillips, R.P.
Published in Solid-state electronics (01.01.1967)

by Schumann, P.A., Gardner, E.E.
Published in Solid-state electronics (01.01.1969)

by Schumann, P.A., Rideout, A.J.
Published in Solid-state electronics (01.01.1964)

by Gardner, E.E., Hallenback, J.F., Schumann, P.A.
Published in Solid-state electronics (01.05.1963)