000 00317nam a2200133Ia 4500
008 160615s9999 xx 000 0 und d
100 _aHANDBOOK OF WIRELESS TELEGRAPHY
245 _aVol.1: Magnetism and electricity
260 _aLondon
260 _bHMSO
942 _cBooks
999 _c7285
_d7285