Marín Ramirez, J. M., Cáceres Díaz, L. A., Rojas Martínez, Y. A., Osorio Vélez, J. A., Medina Barreto, M. H., & Cruz Muñoz, B. (2018). Design and construction of a proportional gas flow meter with application in Mössbauer spectroscopy. Scientia Et Technica, 23(3), 406–411. https://doi.org/10.22517/23447214.18141