(1)
A.V. Dolbin, V.B. Esel`son, V.G. Gavrilko, V.G. Manzhelii, S.N. Popov, N.A. Vinnikov, and B. Sundqvist, The effect of O2 impurities on the low-temperature radial thermal expansion of bundles of closed single-walled carbon nanotubes, Low Temp. Phys. 37, (2011) [Fiz. Nizk. Temp. 37, 438-442, (2011)] DOI: https://doi.org/10.1063/1.3592703.