TY  - BOOK
AU  - Dick,Steven J.
TI  - NASA's first 50 years: historical perspectives 
AV  - TL521.312 .N373 2012
U1  - 629.40973 22
PY  - 2012///]
CY  - Washington, District of Columbia
PB  - NASA
KW  - United States
KW  - National Aeronautics and Space Administration
KW  - History
KW  - Astronautics
KW  - Electronic books
N1  - Includes bibliographical references
UR  - https://ebookcentral.proquest.com/lib/nird-ebooks/detail.action?docID=4857312
ER  -