◂
sci
hub
to open science
Get Papers Free
↓save
Free GPT4
Deepseek
Cooper, Duane H.. (1969).
Hertzian Contact-Stress Deformation Coefficients. Journal of Applied Mechanics, 36(2), 296–.
doi:10.1115/1.3564624
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research