◂
sci
hub
to open science
Get Papers Free
↓save
Free GPT4
Deepseek
Sakata, H.. (2006).
Optical beam deflection by phase-controllable dual-period grating employing liquid crystal. Journal of Modern Optics, 53(18), 2753–2761.
doi:10.1080/09500340600833327
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research