@misc{Herbert_Thomas_Ernest_(1875-1943)._Telegraphy,
 author={Herbert, Thomas Ernest (1875-1943).},
 howpublished={online},
 publisher={Isaac Piman & Sons},
 language={eng},
 type={książka},
 type={dokument piśmienniczy},
 title={Telegraphy : a detailed exposition of the telegraph system of the British post office},
}