S. G. Ponomarev, A. A. Vasin, V. P. Tarasovskiy, A. V. Smirnov, A. V. Reznichenko, and O. L. Sidortsova, “Kinetics of grinding precursor powders for piezoceramic materials based on potassium and sodium noibate systems”, AmazInv, vol. 7, no. 17, pp. 211–218, Dec. 2018.