Specific Features of g ≈ 4.3 EPR Line Behavior in Magnetic Nanogranular Composites. - Drovosekov, A. B.; Kreines, N. M.; Ziganurov, D. A.; Sitnikov, A. V.; Nikolaev, S. N.; Rylkov, V. V. (Journal of Experimental & Theoretical Physics, 2023)