000			00257nam a2200109Ia 4500
008			161118s2016 xx 000 0 und d
082			_a628 MER-B
100			_aDavid, D. M.
245		0	_aBacteriology for Sanitory Engineers.
260			_bHMSO
942			_2ddc
999			_c11521 _d11521