A. Shinbayeva, A. Drobyshev, і N. Drobyshev, «The standardization and certification procedures of cryogenic equipment in Kazakhstan: 10th International Conference on Cryocrystals and Quantum Crystals (Final part)», Fiz. Nizk. Temp., вип. 41, вип. 7, с. 733–736, Трав 2015.