TY - BOOK ED - World Health Organization TI - Rift valley fever : An emerging human and animal problem T2 - WHO offset publication ; no. 63 SN - 9241700637 PY - 1982/// CY - Geneva PB - World Health Organization KW - Bunyaviridae - Congresses KW - Rift valley fever - Congresses KW - Rift valley fever virus N1 - Outcome of the WHO Meeting on Rift Valley Fever, held in Geneva, 30 June-3 July 1981 ER -