Kurghinyan, B. K., et al. “WEAKLY EXPRESSED PECULIARITIES OF SPECIFIC HEAT OF SUPERCONDUCTIVE MATERIALS AND THEIR RELATION TO PARAMAGNETIC EFFECT, DETECTED BY SFCO METHOD”. Proceedings of the YSU A: Physical and Mathematical Sciences, vol. 42, no. 3 (217), Oct. 2023, pp. 82-90, doi:10.46991/PYSU:A/2008.42.3.082.