TY  - BOOK
AU  - Sellers,Jerry Jon
AU  - Astore,William J.
AU  - Giffen,Robert B.
AU  - Larson,Wiley J.
AU  - Kirkpatrick,Douglas
TI  - Understanding space: an introduction to astronautics 
T2  - Space technology series
SN  - 0-07-294364-5
AV  - TL 791 .S45 2004
PY  - 2004///
CY  - New York
PB  - McGraw-Hill Companies
KW  - Astronautics
KW  - Space trajectories
KW  - Outer space
N1  - Includes bibliographical references and index
ER  -