TY  - BOOK
AU  - R.M.Lester
AU  - Lester,P.M.
TI  - Practical Astronomy for the Forces
U1  - B501I58f299 
PY  - 2944///
CY  - London
PB  - Hutchinson's Scientific and Technical Publ.
KW  - Astronomy
KW  - Astronomical Techniques
ER  -