000 00298nam a2200121Ia 4500
100 _aWorld Health Organization
020 _a92 4 157156 X
942 _cBK
245 _aHexachlorobutadiene
260 _aWorld Health Organization, Geneva
_c1994
082 _aR363.7384 W.H.O./E.H.C.
300 _a136
999 _c32782
_d32782