TY  - RPRT
TI  - Engineering calculations for communications satellite systems planning
AU  - Walton, E.
AU  - Aebker, E.
AU  - Mata, F.
AU  - Reilly, C.
PY  - 1991
UR  - https://ntrs.nasa.gov/citations/19920004130
ID  - 19920004130
ER  -