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A. Zollo; L. D'Auria; R. De Matteis; A. Herrero; J. Virieux; P. Gasparini. (2002). Bayesian estimation of 2-D <em>P</em>-velocity models from active seismic arrival time data: imaging of the shallow structure of Mt Vesuvius (Southern Italy). , 151(2), 566–582. doi:10.1046/j.1365-246x.2002.01795.x 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research