TY  - BOOK
AU  - Gingerich,Owen
TI  - Astrophysics and twentieth-century astronomy to 1950 / 
SN  - 0521242568
U1  - 520.9 
PY  - 1984///-
CY  - Cambridge [Cambridgeshire] ; ,  New York : , New York : , New York : , New York : , New York : , New York : , New York : , New York : 
PB  - Cambridge University P ress, 
KW  - Astrophysics
KW  - History
KW  - Astronomy
N1  -  Includes bibliographical references and index
ER  -