008941011s1991 us a 000a eng ■001CHIMSIN00033525 ■00519941011103029 ■090 ▼a501.13▼bR469v ■1002 ▼aRheingold, Howard ■24510▼aVirtual Reality▼dby Howard Rheingold ■260 ▼aNew York▼bA Touchstone Book▼c1991. ■300 ▼a415 p.▼c22 cm. ■653 ▼aVIRTUAL▼aREALITY ■9500 ▼b$