00454nam a2200157Ia 4500008004100000020001400041082001200055100002500067245003300092250000700125260004600132300002800178500001900206600002100225650005000246240925s9999    xx            000 0 und d  a442017766  a006 VIR  aLoeffer ,Eugene Carl 4aThe Virtual Reality Casebook  aNA  aNew York:bVan Nostrand Rein Holdc,1994.  axi,275p.bNAfPhotocopy  aIncludes Index  aComputer Science  aComputer science, information & general works