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Jan Kloppenborg Møller; Henrik Madsen; Jacob Carstensen. (2011). Parameter estimation in a simple stochastic differential equation for phytoplankton modelling. , 222(11), 1793–1799. doi:10.1016/j.ecolmodel.2011.03.025 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research