TY - RPRT TI - Mission operations and command assurance: Instilling quality into flight operations AU - Welz, Linda L. AU - Witkowski, Mona M. AU - Bruno, Kristin J. AU - Potts, Sherrill S. PY - 1993 UR - https://ntrs.nasa.gov/citations/19940019459 ID - 19940019459 ER -