000 00311nam a2200121Ia 4500
100 _aWorld Health Organization
020 _a92-4-151089-7
942 _cBK
245 _aTri-allate health and safety guide
260 _aWorld Health Organization, Geneva
_c1994
082 _aR363.1796 W.H.O./H.S.G
300 _a20
999 _c34461
_d34461