000			00351nam a2200157Ia 4500
008			160615s9999 xx 000 0 und d
100			_aBECK (Conrad)
245			_aMicroscope- a simple handbook
260			_aLondon
260			_bR & J Beck Ltd.
260			_c1921
300			_a144 p.
942			_cBooks
999			_c4354 _d4354