DOLGUSHEV, Sergey Viktorovich; FOMIN, Vasiliy Mikhailovich. Helium enrichment of natural gas in non-steady diffusion-sorption processes in the bed of glass microspheres. Computational Continuum Mechanics, Perm, Russia, v. 1, n. 3, p. 66–75, 2008. DOI: 10.7242/1999-6691/2008.1.3.28. Disponível em: https://journal.permsc.ru/index.php/ccm/article/view/CCMv1n3a7. Acesso em: 14 may. 2026.