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 Plate tectonics : earth's shifting crust / by Grady, Sean M., Publication: San Diego, CA : Lucent Books, 1991 . 96 p. : 26 cm. Date:1991 Availability: Copies available: (1), Actions: