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YOON, Young Joon; CHO, Sung Hwan; KIM, Jihoon; KIM, Hyo Tae; BAIK, Hong Koo; KIM, Jong-Hee . (2012). Growth of BaTiO3–Ag hybrid composite films at room temperature by aerosol deposition. Transactions of Nonferrous Metals Society of China, 22(), s735–s739. doi:10.1016/S1003-6326(12)61796-8 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research