000			00380nam a2200133Ia 4500
008			160615s9999 xx 000 0 und d
100			_aHARVARD UNIVERSITY
245			_aContributions from the physical laboratories of Harvard university for the years 1932-33
260			_bCambridge University Press
260			_c1933
942			_cBooks
999			_c7554 _d7554