TY  - BOOK
AU  - 
AU  - 
TI  - nautical almanac 1979
U1  - 523.89 
PY  - 1977///
CY  - London
PB  - H M S O
KW  - Astronomical physics
KW  - Physics, Astronomical
KW  - Astrophysics
KW  - Spectroscopy
KW  - black holes
KW  - Spectrum analysis
KW  - Astronomy
KW  - Physics
KW  - Stars
KW  - nautical almanac
ER  -