TY  - RPRT
TI  - Realizable feed-element patterns and optimum aperture efficiency in multibeam antenna systems
AU  - Yngvesson, K. S.
AU  - Rahmat-Samii, Y.
AU  - Johansson, J. F.
AU  - Kim, Y. S.
PY  - 1988
UR  - https://ntrs.nasa.gov/citations/19890035099
ID  - 19890035099
ER  -