00342nam a2200133 a 450000500170000000800410001702000150005804100080007308200130008110000170009424500440011126400430015530000100019820260717092104.0260717s2005    ii            000 0 eng d  a8178085046  aeng04a006.80191 aVince, John.10aVirtual Reality Systems /cVince, John. 1aNew Delhi :bPearson Education,c2005.  a384p.