00570pam a2200181 a 4500 0471009539 (acidfree paper) DLC 006 JOH 1994 A004 Or. Gradecki, Joe, The virtual reality construction kit / New York : John Wiley, c1994. xv, 340 p. : ill. ; 24 cm. + 1 computer disk (3 1/2 in.) System requirements for computer disk: PC; DOS; hard disk. Includes index. Human-computer interaction. Virtual reality. EK 16400 16400 0 0 0 006_000000000000000_JOH_1994_A004_OR 0 70855 LBA LBA A004 2018-02-19 006 JOH 1994 A004 Or. A16489 2018-02-19 2018-02-19 EK