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Chang, Chung-Pai; Yen, Jiun-Yee; Hooper, Andrew; Chou, Fong-Min; Chen, Yi-An; Hou, Chin-Shyong; Hung, Wei-Chia; Lin, Ming-Sheng . (2010). Monitoring of Surface Deformation in Northern Taiwan Using DInSAR and PSInSAR Techniques. Terrestrial, Atmospheric and Oceanic Sciences, 21(3), 447–. doi:10.3319/TAO.2009.11.20.01(TH) 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research