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Aguiar, P.R.; Serni, P.J.A.; Bianchi, E.C.; Dotto, F.R.L. . (2004). [IEEE 2004 IEEE International Conference on Acoustics, Speech, and Signal Processing - Montreal, Que., Canada (17-21 May 2004)] 2004 IEEE International Conference on Acoustics, Speech, and Signal Processing - In-process grinding monitoring by acoustic emission. , 5(), Vā€“405-8. doi:10.1109/icassp.2004.1327133 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research