000 00249nam a2200109Ia 4500
008 180116s1991 xxu||||| |||| 00| 0 eng d
022 _a0250-863X
245 _aHexachlorocyclopentadiene
260 _aGeneva
_bWHO
_c1991
300 _a
906 _aP5669
999 _c54946
_d54946