sci
hub

to open science
Francesco Concas;Julien Mineraud;Eemil Lagerspetz;Samu Varjonen;Xiaoli Liu;Kai Puolamäki;Petteri Nurmi;Sasu Tarkoma;. (2021). Low-Cost Outdoor Air Quality Monitoring and Sensor Calibration . ACM Transactions on Sensor Networks, (), –. doi:10.1145/3446005 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research