TY  - BOOK
AU  - Roy, A E
AU  - Clarke, D
TI  - Astronomy: Principles and practice
U1  - 52 
PY  - 1977///
CY  - Bristol
PB  - Adam Hilger
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
ER  -