◂
sci
hub

to open science
Carlos Duque; María Luisa Calvache; Antonio Pedrera; Wenceslao Martín-Rosales; Manuel López-Chicano. (2008). Combined time domain electromagnetic soundings and gravimetry to determine marine intrusion in a detrital coastal aquifer (Southern Spain). , 349(3-4), 536–547. doi:10.1016/j.jhydrol.2007.11.031 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research