TY  - BOOK
AU  - Rowell,L.N.
ED  - United States.
ED  - Rand Corporation.
TI  - Satellite constellations for worldwide and hemisphere coverage
T2  - A Rand note
PY  - 1979///
CY  - California
PB  - Rand Corporation
KW  - Artificial satellites in telecommunication
KW  - Artificial satellites
KW  - Orbits
N1  - Includes bibliographical references
ER  -