TY - BOOK AU - World Health Organization (WHO) TI - DDT and its Derivatives-Environmental Aspects T2 - Environmental Health Criteria 83 SN - 9241542837 : U1 - 628 19 PY - 1989/// CY - Geneva PB - World Health Organization KW - Environmental Health KW - Spines KW - Environmental effect N1 - ph N2 - Environment Management ER -