1Ingrid M Schleither, Dietrich Borchardt, Rudiger Wagner, et al. Modelling water quality, bioindication and population dynamics in lotic ecosystems using neural networks [J]. Ecological Modelling, 1999, 120: 271-286.
2Qi Qingwen. Provincial flood & drought disaster information system, Bulletin of Flood Damage Evaluation Information System And Wetland Use [ M ]. China Science And Technology Press, 1999.