000			00307nam a2200121Ia 4500
100			_aWorld Health Organization
020			_a92 4 154285 3
942			_cBK
245			_aLead - environmental aspects
260			_aWorld Health Organization, Geneva _c1989
082			_aR363.7384 W.H.O./E.H.C.
300			_a106
999			_c63666 _d63666