P. R. Geffe

发表

Two network-frequency transformations for bandpass filters

P. R. Geffe, 1971 .

Additional comments concerning, "On a new security problem"

P. R. Geffe, M. P. Grant, 1964 .

A Q-invariant active resonator

P. R. Geffe, 1969 .

Active Filter Capabilities

P. R. Geffe, 1970 .

Open letter to communications engineers

P. R. Geffe, 1967 .

On numerical technique in analog filter synthesis

P. R. Geffe, P. Geffe, 1997 .