“PHENOMENOLOGICAL MODEL OF THE FREQUENCY-DEPENDENT HYSTERESIS OF FERRITE NiFe2O4”. REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE 67, no. 3 (September 30, 2022): 275–279. Accessed April 17, 2024. https://journal.iem.pub.ro/rrst-ee/article/view/217.