TY  - RPRT
TI  - Booster Main Engine Selection Criteria for the Liquid Fly-Back Booster
AU  - Ryan, Richard M.
AU  - Rothschild, William J.
AU  - Christensen, David L.
PY  - 1998
UR  - https://ntrs.nasa.gov/citations/19990079862
ID  - 19990079862
ER  -