ABATE, Y.; ARCIAGA, M.; RAMOS, H..
Density Measurements of Negative Hydrogen Ions Using Mass Spectrometer.
Science Diliman: A Journal of Pure and Applied Sciences, [S.l.], v. 13, n. 2, july 2012.
ISSN 2012-0818.
Available at: <https://www.journals.upd.edu.ph/index.php/sciencediliman/article/view/179>. Date accessed: 02 sep. 2025.