000 00249nam a2200121Ia 4500
100 _aGradeck/J
942 _cRB
654 _akit
245 _aVirtual reality kit
260 _bJohn wiley
_aNew York
_c1994
082 _a6.3
_bGRA
546 _aENGLISH
999 _c32905
_d32905