000 00311nam a2200121Ia 4500
100 _aWorld Health Organization
020 _a92-4-154336-1
942 _cBK
245 _aTecnazene health and safety guide
260 _aWorld Health Organization, Geneva
_c1989
082 _aR363.1796 W.H.O./H.S.G.
300 _a28
999 _c60844
_d60844