TY - BOOK AU - World Health Organization TI - IPCS (Environmental health criteria no - 123): alpha - and beta - hexachlorocyclohexanes SN - 92-4-157123-3 U1 - 632 PY - 1992/// CY - Geneva PB - UNEP and World Health Organization KW - IPCS KW - Agriculture N1 - Gift; IPCS, agrochemicals, pesticide safety ER -