Chalyi, A., K. Chalyi, E. Zaitseva, E. Chaika, and I. Kryvenko. “Physical Aspects of 2014 Nobel Prize in Physiology or Medicine: 2. The First Principle and Universality Class for Grid Cells in the Brain”. Ukrainian Journal of Physics, vol. 68, no. 7, Sept. 2023, p. 462, doi:10.15407/ujpe68.7.462.