RAMOS, Henry.
 Effective Extraction Mechanism of Volume-Produced Ions in the NIPPER I Device.
<strong>Science Diliman: A Journal of Pure and Applied Sciences</strong>, [S.l.], v. 5, n. 2, sep. 2007.
ISSN 2012-0818.
Available at: &lt;<a href="https://www.journals.upd.edu.ph/index.php/sciencediliman/article/view/279" target="_new">https://www.journals.upd.edu.ph/index.php/sciencediliman/article/view/279</a>&gt;. Date accessed: 29 sep. 2025.