TY  - BOOK
ED  - National Research Council (U.S.),
TI  - Pathways to exploration: rationales and approaches for a U.S. program of human space exploration 
AV  - TL521 .N38 2014
U1  - 387.70973 23
PY  - 2014///
CY  - Washington, District of Columbia
PB  - National Academies Press
KW  - Aeronautics, Commercial
KW  - United States
KW  - Planning
KW  - Outer space
KW  - Exploration
KW  - Electronic books
N1  - "Committee on Human Spaceflight Aeronautics and Space Engineering Board Space Studies Board Division on Engineering and Physical Sciences : Committee on National Statistics Division of Behavioral and Social Sciences and Education"--Cover
UR  - https://ebookcentral.proquest.com/lib/bacm-ebooks/detail.action?docID=3379376
ER  -