TY - RPRT TI - CEV Trajectory Design Considerations for Lunar Missions AU - Condon, Gerald L. AU - Dawn, Timothy AU - Merriam, Robert S. AU - Sostaric, Ronald AU - Westhelle, Carlos H. PY - 2007 UR - https://ntrs.nasa.gov/citations/20080015975 ID - 20080015975 ER -