BELRZAEG, M.; A. MASOOD, M. Overview of the Cryogenic Refrigeration Systems. African Journal of Advanced Pure and Applied Sciences , [S. l.], v. 1, n. 2, p. 24–34, 2022. DOI: 10.65418/ajapas.v1i2.40. Disponível em: https://aaasjournals.com/index.php/ajapas/article/view/40. Acesso em: 24 jan. 2026.