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Tsunekane, M.; Taira, T.. (2007). Design and Performance of Compact Heatsink for High-Power Diode Edge-Pumped, Microchip Lasers. , 13(3), 619–625. doi:10.1109/jstqe.2007.896090 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research