TY  - BOOK
AU  - Biddle,W.Earl, x
AU  - x
TI  - Text book of field astronomy: x
SN  - x
U1  - 520/BIT 
PY  - 1969///
CY  - London
PB  - E.L.B.S.
KW  - Astrenomy
N1  - Inludes
ER  -