TY - RPRT TI - Preliminary Structural Sizing and Alternative Material Trade Study of CEV Crew Module AU - Bednarcyk, Brett A. AU - Arnold, Steve M. AU - Collier, Craig S. AU - Yarrington, Phillip W. PY - 2007 UR - https://ntrs.nasa.gov/citations/20070031572 ID - 20070031572 ER -