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Record Nr. |
UNINA9910696728403321 |
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Autore |
Durkin John |
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Titolo |
Vertical magnetic noise in the voice frequency band within and above coal mines [[electronic resource] /] / by John Durkin |
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Pubbl/distr/stampa |
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[Washington, D.C.] : , : U.S. Dept. of the Interior, Bureau of Mines, , [1983] |
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Descrizione fisica |
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27 pages : digital, PDF file |
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Collana |
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Report of investigations ; ; 8828 |
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Soggetti |
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Coal mines and mining - Communication systems |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from title screen (viewed on July 14, 2008). |
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