Rift valley fever : An emerging human and animal problem / 

 - Geneva:  World Health Organization,  1982 
 - 69 p.:  ill. ;  20 cm. 
 - WHO offset publication ; no. 63 .
<br/><br/> Outcome of the WHO Meeting on Rift Valley Fever, held in Geneva, 30 June-3 July 1981. 
<br/><br/><label>ISBN: </label>9241700637 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bunyaviridae - Congresses<br/>Rift valley fever - Congresses<br/>Rift valley fever virus