المؤلفون: Romero, A., Oponda, I., Saju, L., Octobre, A., Mondano, L., Palero, L., Borres, R., Piñero, E., Perante, S., Sibal, E., Degumbis, M., Cortes, J., Javier, Y., Bernal, N., Daang, L.

المصدر: IOP Conference Series: Earth and Environmental Science ; volume 630, issue 1, page 012026 ; ISSN 1755-1307 1755-1315

الاتاحة: http://dx.doi.org/10.1088/1755-1315/630/1/012026
https://iopscience.iop.org/article/10.1088/1755-1315/630/1/012026/pdf
https://iopscience.iop.org/article/10.1088/1755-1315/630/1/012026