Pisarska, E., Stachowiak, P. і Jeźowski, A. 2007. Observation of relaxation of molecular spins in CH₄ and CD₄ crystals in thermal conductivity experiment: Classical Cryocrystals. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР. 33, 6-7 (Трав 2007), 768–771. DOI:https://doi.org/10.1063/1.2755190.