TY  - BOOK
AU  - Koestler,Arthur
TI  - The watershed: a biography of Johannes Kepler
T2  - Science study series, S16
AV  - QB36.K4 K6
U1  - 925.2 
PY  - 1960///
CY  - Garden City, N.Y.
PB  - Anchor Books
KW  - Kepler, Johannes,
N1  - "From The sleepwalkers."
ER  -