Dolbin, A., Esel`son, V., Gavrilko, V., Manzhelii, V., Popov, S., Vinnikov, N., & Sundqvist, B. (2011). The effect of O₂ impurities on the low-temperature radial thermal expansion of bundles of closed single-walled carbon nanotubes. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, 37(4), 438–442. https://doi.org/10.1063/1.3592703