000 00312nam a2200109 a 4500
008 960221s1955 dcuabcdjdbkoqu001 0deng d
020 _a0771027427
100 _aDewdney A.K
245 _aThe Planiverse:computer contact with a two-dimensional world/
260 _c1984
_aMC Clelland & Stewart;
942 _2ddc
999 _c692057
_d692057