1. 01. English Non Fiction Virtual reality : computers mimic the physical world / by Grady, Sean M., Publication: New York, NY : Facts on File, 1998 . vi, 170 p. : 24 cm. Date:1998 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Lasers : the new technology of light / by Billings, Charlene W. Publication: New York : Facts on File, 1992 . ix, 118 p. : 24 cm. Date:1992 Availability: Copies available: (2), Actions: