000 00268nam a2200109Ia 4500
008 220714s9999 xx 000 0 und d
020 _a1 85737 023 6
082 _aJ Ref 503 ILL
100 _aNo author, editors only
245 0 _aInformation Technology
942 _cBK
_w561
_xJohn Tresidder
_y561
_zJohn Tresidder
999 _c726743
_d726742