S. D. Lavrinenko, M. M. Pylypenko, H. M. Aksyonova, A. P. Svinarenko, Y. P. Bobrov, and I. V. Kolodiy, “THE INVESTIGATION OF Zr-Ni NON-EVAPORABLE GETTER PROPERTIES”, East Eur. J. Phys., vol. 2, no. 3, pp. 17-21, Nov. 2015.