TY  - BOOK
AU  - Barlow,Crossley William Crosby
AU  - Bryan,G.H.
AU  - Jones,H.Spencer
TI  - Elementary mathematical astronomy
U1  - 520 23
PY  - 1944/// [reprinted 1950]
CY  - London
PB  - University Tutorial Press
KW  - Astronomy
N1  - Include index
ER  -