TY  - BOOK
AU  - Voelkel,James R.
TI  - Johannes Kepler and the new astronomy: James R. Voelkel
SN  - 0195116801
PY  - 1999///,
CY  - New York
PB  - Oxford University Press
KW  - Kepler, Johannes
KW  - Astronomers--Biography
KW  - sears
ER  -