Villa, Ferdinando; Athanasiadis, Ioannis N.; et al. (11 December 2008). "Modelling with knowledge: A review of emerging semantic approaches to environmental modelling". Environmental Modelling & Software. 24 (5): 577–587. doi:10.1016/j.envsoft.2008.09.009. ISSN1364-8152.
Villa, Ferdinando; Athanasiadis, Ioannis N.; et al. (11 December 2008). "Modelling with knowledge: A review of emerging semantic approaches to environmental modelling". Environmental Modelling & Software. 24 (5): 577–587. doi:10.1016/j.envsoft.2008.09.009. ISSN1364-8152.