◂
sci
hub

to open science
Koji Takio, Stephen B. Smith, Edwin G. Krebs, Kenneth A. Walsh and Koiti Titani. (1982). [Part 1: Biological Sciences] || Primary Structure of the Regulatory Subunit of Type II cAMP-Dependent Protein Kinase from Bovine Cardiac Muscle. Proceedings of the National Academy of Sciences of the United States of America, 79(8), 2544–2548. doi:10.2307/12173 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research