@article{EJDE_2007__2007__a218,
     author = {Gaff,  Holly D. and Hartley,  David M. and Leahy,  Nicole P.},
     title = {An epidemiological model of {Rift} {Valley} fever},
     journal = {Electronic journal of differential equations},
     year = {2007},
     volume = {2007},
     zbl = {1138.34324},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a218/}
}