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Langton, R.; Davies, I.M.; Scott, B.E. . (2014). A simulation model coupling the behaviour and energetics of a breeding central place forager to assess the impact of environmental changes. Ecological Modelling, 273(), 31–43. doi:10.1016/j.ecolmodel.2013.10.030 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research