@misc{Bucher_Elmer_Eustice_Practical,
 author={Bucher, Elmer Eustice},
 howpublished={online},
 publisher={Wireless Press},
 language={eng},
 title={Practical wireless telegraphy : a complete text book for students of radio communication},
 type={książka},
 keywords={radiotelegrafia, telegrafia, anteny (elektronika)},
}