◂
sci
hub

to open science
Takacs, Gabor; Chokshi, Rajan N. . (). [Society of Petroleum Engineers SPE Latin America and Caribbean Petroleum Engineering Conference - Mexico City, Mexico (2012-04-16)] SPE Latin America and Caribbean Petroleum Engineering Conference - Calculation of Gearbox Torques of Rotaflex Pumping Units Considering the Elasticity of the Load Belt. , (), –. doi:10.2118/152229-MS 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research