TY - RPRT TI - Training, transfer, and retention of three-dimensional spatial memory in virtual environments AU - Richards, Jason T. AU - Oman, Charles M. AU - Shebilske, Wayne L. AU - Beall, Andrew C. AU - Liu, Andrew AU - Natapoff, Alan PY - 2002 UR - https://ntrs.nasa.gov/citations/20040087518 ID - 20040087518 ER -