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Electrical properties and attenuation distance of upper Pennsylvanian coal measure rock from southwestern Pennsylvania /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Lindroth, David P.
Kaituhi rangatōpū: United States Bureau of Mines
Ētahi atu kaituhi: Wingquist, Carl F., Dehler, Andrew L.
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: Washington : U.S. Dept. of the Interior, Bureau of Mines, 1984.
Rangatū:Report of investigations ; 8864
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