000			00354nam a2200145Ia 4500
008			230524s9999 xx 000 0 und d
050			_aRC964.E37
245		0	_aEarly detection of occupational diseases
260			_aGeneva
260			_c1986
300			_ax, 272p.
300			_c24cm.
942			_2Library of Congress Classification
942			_cBook
999			_c13254 _d13254