TY  - BOOK
AU  - Barlow,Crossley William Crosby
AU  - Bryan,G.H.
AU  - Jones,Harold Spencer
TI  - Elementary mathematical astronomy
U1  - 520 
PY  - 1944///
CY  - London
PB  - University tutorial press
KW  - Astronomy
N1  - Includes index; "Answers": p. 377-380
ER  -