TY  - BOOK
AU  - Herrick, Samuel
AU  - 
TI  - Astrodynamics: orbit determination space navigation, celestial mechanics
U1  - 521.1 
PY  - 1971///
CY  - London
PB  - Van Nortrand, Rainhold
KW  - Astronomy
KW  - black holes
KW  - Asteroids
KW  - Astrology
KW  - Astrophysics
KW  - Comets
KW  - Meteorites
KW  - Meteors
KW  - Planetariums
KW  - Planets
KW  - Galaxies
KW  - Constellations
KW  - pulsars
KW  - Solar system
KW  - Physical science
KW  - Universe
KW  - Astrodynamics
KW  - Orbit determination
KW  - Space navigation
KW  - Celestial mechanics
ER  -