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Wu, Pengfei; Deng, Shengling; Huang, Zhaoran Rena . (2012). [OSA CLEO: Applications and Technology - San Jose, California (2012..-..)] Conference on Lasers and Electro-Optics 2012 - Compact SiGe HBT EO Modulator for Analog Applications. , (), JW4A.77–. doi:10.1364/cleo_at.2012.jw4a.77 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research