TY - RPRT TI - Goal Structuring Notation in a Radiation Hardening Assurance Case for COTS-Based Spacecraft AU - Witulski, A. AU - Austin, R. AU - Evans, J. AU - Mahadevan, N. AU - Karsai, G. AU - Sierawski, B. AU - LaBel, K. AU - Reed, R. AU - Schrimpf, R. PY - 2016 UR - https://ntrs.nasa.gov/citations/20160003584 ID - 20160003584 ER -