%0 Journal Article %T A portable borehole temperature logging system using the four-wire resistance method %A Erkan,, Kamil %A Akkoyunlu,, Bülent %A Balkan,, Elif %A Tayanç,, Mete %J Journal of Geophysics and Engineering %V 14 %N 6 %@ 1742-2132 %D 2017-12-01 %I Oxford Academic %~ DeepDyve