TY  - BOOK
AU  - Dyson,Marianne J.
TI  - Twentieth century science Space and astronomy: decade by decade 
SN  - 081605536X (acidfree paper)
AV  - QB32 .D97 2007
U1  - 520.9/04 22
PY  - 2007///
CY  - New York
PB  - Facts on File
KW  - Astronomy
KW  - History
KW  - 20th century
KW  - Space flight
N1  - Includes bibliographical references and index
UR  - http://www.loc.gov/catdir/toc/ecip0612/2006012547.html
ER  -