TY - RPRT TI - Human Mars EDL Pathfinder Study: Assessment of Technology Development Gaps and Mitigations AU - Lillard, Randolph AU - Olejniczak, Joe AU - Polsgrove, Tara AU - Cianciolo, Alice Dwyer AU - Munk, Michelle AU - Whetsel, Charles AU - Drake, Bret PY - 2017 UR - https://ntrs.nasa.gov/citations/20160013251 ID - 20160013251 ER -