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\bibitem{JoachimSchA1/4z2000} Joachim Sch{\~A}{\textonequarter}z, J. - P. G., Bernd St{\~A}{\textparagraph}rmer, Gerd Rippin, Karl Brinkmann and J{\~A}{\textparagraph}rg Michaelis. (2000). Extremely low frequency magnetic fields in residences in Germany. Distribution of measurements, comparison of two methods for assessing exposure, and predictors for the occurrence of magnetic fields above background level.\textit{39}(4), 233--240.

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