TY  - RPRT
TI  - Cassegrain feed for deep-space antennas.
AU  - Collins, G. W.
AU  - Cross, H. E., Jr.
AU  - Oishi, R. K.
PY  - 1968
UR  - https://ntrs.nasa.gov/citations/19680056819
ID  - 19680056819
ER  -