6Brooker S,Hay S I,Bundy D A P.Tools from ecology:useful for evaluating infection risk models[J].Trends in Parasitology,2002a,18:70-74.
7Cross E R,Sheffield C,Perrine R,et al.Predicting areas endemic for schistosomiasis using variables and a landsat database[J].Military Medicine,1984,149:542-544.
8Spear R,Gong P,Seto E,et al.Remote sensing and GIS for schistosomiasis control in mountainous areas in Sichuan,China[J].Geographic Information Systems,1998,4:14-21.