000			00332nam a2200133Ia 4500
008			150522s1983||||xx |||||||||||||| ||und||
020			_a9.22103e+009
082			_a331.25
245			_aWorking conditions and environment
250			_a-
260			_aGeneva _b International Labour Office _c1983
300			_avi, 81 p.
942			_cC
999			_c30588 _d30588