W. Birkmayer

Observations of small-scale plasma density depletions in arecibo HF heating experiments

T. Hagfors, B. Isham, Wlodek Kofman, 1987 .

Observational technique and parameter estimation in plasma line spectrum observations of the ionosphere by chirped incoherent scatter radar

T. Hagfors, W. Birkmayer, 1986 .

Optoelectronic beam-forming network for a spaceborne phased-array antenna

M. G. Holliday, Mj Michael Wale, Colin Edge, 1992, Defense, Security, and Sensing.

Optical control of phased array antennas: a European perspective

Alwyn J. Seeds, Mj Michael Wale, C. R. Pescod, 1990, IEEE International Digest on Microwave Symposium.