Frequência ultrabaixa (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Frequência ultrabaixa" in Portuguese language version.

refsWebsite

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2web.archive.org

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1nat-hazards-earth-syst-sci.net

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doi.org

dx.doi.org

V. A. Pilipenko, "ULF waves on the ground and in space", Journal of Atmospheric and Terrestrial Physics, Volume 52, Issue 12, December 1990, pp. 1193–1209, ISSN 0021-9169, doi:10.1016/0021-9169(90)90087-4.

itu.int

«Rec. ITU-R V.431-7, Nomenclature of the frequency and wavelength bands used in telecommunications» (PDF). ITU. Consultado em 20 de fevereiro de 2013. Arquivado do original (PDF) em 31 de outubro de 2013

nat-hazards-earth-syst-sci.net

O. Molchanov, A. Schekotov, E. Fedorov, G. Belyaev, and E. Gordeev, "Preseismic ULF electromagnetic effect from observation at Kamchatka", Natural Hazards and Earth System Sciences, Volume 3, pp. 203–209, 2003

navy.mil

weather.nps.navy.mil

HF and Lower Frequency Radiation - Introduction Arquivado em 2005-11-09 no Wayback Machine

web.archive.org

«Rec. ITU-R V.431-7, Nomenclature of the frequency and wavelength bands used in telecommunications» (PDF). ITU. Consultado em 20 de fevereiro de 2013. Arquivado do original (PDF) em 31 de outubro de 2013
HF and Lower Frequency Radiation - Introduction Arquivado em 2005-11-09 no Wayback Machine

worldcat.org

V. A. Pilipenko, "ULF waves on the ground and in space", Journal of Atmospheric and Terrestrial Physics, Volume 52, Issue 12, December 1990, pp. 1193–1209, ISSN 0021-9169, doi:10.1016/0021-9169(90)90087-4.