TY  - RPRT
TI  - Space Launch System Progress Report
AU  - Singer, Joan A.
AU  - Lyles, Gary M.
AU  - Beaman, David E.
AU  - Cook, Jerry R.
PY  - 2011
UR  - https://ntrs.nasa.gov/citations/20120001641
ID  - 20120001641
ER  -