TY - JOUR AU - TI - PDA based navigation system for a 3D environment JF - Computers & Graphics DO - 10.1016/s0097-8493(01)00091-7 DA - 2001-08-01 UR - https://www.deepdyve.com/lp/crossref/pda-based-navigation-system-for-a-3d-environment-FJi20Ta0XG SP - 627 EP - 634 VL - 25 IS - 4 DP - DeepDyve ER -