Nehodenko, O. N., S. G. Koshelev, V. I. Sementsov, and Y. P. Mardamshin. “Microelectronic Inductive Balanced Sensors With Square and Triangular Coils”. Technology and Design in Electronic Equipment, no. 1, Feb. 2002, pp. 47-48, https://www.tkea.com.ua/index.php/journal/article/view/TKEA2002.1.47.