TY  - BOOK
AU  - Ley, Willy
ED  - 
TI  - Watchers of the Skies: An Informal History of Astronomy From Babylion to the Space Age
U1  - 520.9 Ley/Wat 
PY  - 1964///
CY  - London
PB  - Sidgwick & Jackson Ltd
KW  - Astronomy & Allied Sciences
N1  - B
ER  -