TY  - BOOK
AU  - Gingerich, Owen
TI  - Astrophysics and twentieth-century astronomy to 1950
SN  - 9780521135429
SN  - 83010164
U1  - 520.9 GIN 
PY  - 1984///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Astronomy - History
KW  - Astrophysics - History
N1  - Includes bibliographical references and index
ER  -