000 00309nam a2200121Ia 4500
100 _aWorld Health Organization
020 _a92-4-151037-4
942 _cBK
245 _aAmmonia health and safety guide
260 _aWorld Health Organization, Geneva
_c1990
082 _aR363.1796 W.H.O./H.S.G.
300 _a30
999 _c31825
_d31825