000 00325nam a2200145Ia 4500
001 19569
008 230316s9999 xx 000 0 und d
100 _aOxlade, Chris
245 0 _a20th Century Inventions:Tele Communications
260 _aUK
260 _bWayland Land Ltd
260 _c1996
300 _a48
942 _cBK
999 _c7693
_d7693