TY  - BOOK
AU  - xx, 686 p.
AU  - Title
ED  - Great Britain.
TI  - The star almanac for land surveyors: for the year 1981
SN  - 0118807765
PY  - 1976///
CY  - London
PB  - H. M. Stationery Off.
KW  - Ephemerides
ER  -