DOLGUSHEV, Sergey Viktorovich; FOMIN, Vasiliy Mikhaylovich. Cyclic helium enrichment of natural gas in a column with glass microspheres. Computational Continuum Mechanics, Perm, Russia, v. 1, n. 4, p. 39–42, 2008. DOI: 10.7242/1999-6691/2008.1.4.36. Disponível em: https://journal.permsc.ru/index.php/ccm/article/view/CCMv1n4a4.. Acesso em: 17 may. 2024.