000			00337nam a2200133Ia 4500
008			150518s1979||||xx |||||||||||||| ||und||
020			_a9221020606
082			_a304.2
245			_aMan in his working environment
250			_a-
260			_aGeneva _b United Nations Environment Programme _c1979
300			_axii, 142 p.
942			_cBK
999			_c16247 _d16247