000			00349nam a2200145Ia 4500
008			230524s9999 xx 000 0 und d
050			_aTN295.S22
245		0	_aSafety and health in opencast mines
260			_aGeneva
260			_c1991
300			_axiii,121p.
300			_c18cm.
942			_2Library of Congress Classification
942			_cBook
999			_c7934 _d7934