1. Observational analysis of environmental gradients;Austin;Proceedings of the Ecological Society of Australia,1981
2. Statistical Models in S;Chambers,1992
3. Predictive habitat distribution models in ecology;Guisan;Ecological Modelling,2000
4. Generalized Additive Models;Hastie,1990
5. Zero-altered and other regression models for count data with added zeros;Heilbron;Biometrical Journal,1994