NMR Study of Non-Equilibrium State of Fullerene C60 in N-Methyl-2-Pyrrolidone. Ukr. J. Phys. [Internet]. 2012 Aug. 30 [cited 2026 Sep. 11];57(8):860. Available from: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2021213