TY - RPRT TI - Three dimensional spatial memory and learning in real and virtual environments. AU - Charles M Oman AU - Wayne L Shebilske AU - Jason T Richards AU - Travis C Tubre AU - Andrew C Beall AU - Alan Natapoff PY - 2002 DO - 10.1023/a:1015548105563 UR - https://pubmed.ncbi.nlm.nih.gov/14983834/ ID - 14983834 ER -