GAPUD, Albert A.; WU, Judy Z.; KANG, Byeongwon. The Mixed State in '1212' Superconductors. Science Diliman: A Journal of Pure and Applied Sciences, [S.l.], v. 13, n. 2, oct. 2007. ISSN 2012-0818. Available at: <https://journals.upd.edu.ph/index.php/sciencediliman/article/view/3030>. Date accessed: 27 sep. 2025.