D. Maashaa, T. Agvaantseren, B. Narmandakh, Vasili Vasilievich Rubanik, and Vasili Vasilievich Rubanik Jr., “THE INFLUENCE OF ULTRASOUND ACTIVATION ON MICROSTRUCTURE AND HARDNESS OF POROUS Ni-Ti SHAPE MEMORY ALLOYS”, RS Global - World Science, no. 5(77), Sep. 2022.