000
00301nam a2200121Ia 4500
100
_a
WHO, United Nations Environment Programme & ILO
020
_a
92-4-157195-0
942
_c
BK
245
_a
Hexachlorobenzene
260
_a
auth, Geneva
_c
1997
082
_a
363.7384 WHO/EHC
300
_a
xvi,160p tabs.
999
_c
31751
_d
31751