000 00319nam a2200121Ia 4500
100 _aWorld Health Organization, United Nations Environment programme & ILO
020 _a92-4-157204-3
942 _cBK
245 _aBoron
260 _aauth, Geneva
_c1998
082 _a363.7384 WHO/EHC
300 _axviii,201p figs.,tabs.
999 _c27983
_d27983