000 00404nam a2200133Ia 4500
100 _aWorld Health Organization. Environmental Health Criteria 221 & World Health Organization Environmental Health Criteria 221, IN
020 _a92-4-157221-3
654 _aGeneral Reference Works
942 _cBK
245 _aZinc
260 _aWHO, Geneva
_c2001
082 _aR 363.1796 WHO/EHC
300 _axxiii,364p
999 _c30929
_d30929