00374nam a2200121 a 450000500170000002000150001708200220003210000230005424500960007726000360017330000190020970000240022820251203092005.0  a0131856383  a658.0285,bD, cho  aChorafas, Dimitris  aVirtual reality: practical applications in business and industry, Dimitris N. Chorafas, eng  aNew Jersey, Prentice Hallc1995  axx,320p.c22cm  aSteinmann, Heinrich