000 00411nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a510.78 S430
100 _a"Sherman, William R"
245 0 _aUnderstanding Virtual Reality
250 _a\\200800ENGGPSX
260 _aElsevier
260 _b2008
260 _cNew Delhi
300 _a582p.
500 _aincludes index and biblioraphy
942 _cBK
999 _c82403
_d82403