000			00352nam a2200157Ia 4500
008			160615s9999 xx 000 0 und d
100			_aCHREE(C)
245			_aStudies in terrestrial magnetism
260			_aLondon
260			_bMacmillan & Co
260			_c1912
300			_axii p. + 206
942			_cBooks
999			_c990 _d990