Herschel, William (1 de xaneiro de 1800). "Experiments on the Refrangibility of the Invisible Rays of the Sun. By William Herschel, LL. D. F. R. S". Philosophical Transactions of the Royal Society of London90: 284–292. JSTOR107057. doi:10.1098/rstl.1800.0015.
Liebel, F.; Kaur, S.; Ruvolo, E.; Kollias, N.; Southall, M. D. (2012). "Irradiation of Skin with Visible Light Induces Reactive Oxygen Species and Matrix-Degrading Enzymes". Journal of Investigative Dermatology132 (7): 1901–1907. PMID22318388. doi:10.1038/jid.2011.476.
jstor.org
Herschel, William (1 de xaneiro de 1800). "Experiments on the Refrangibility of the Invisible Rays of the Sun. By William Herschel, LL. D. F. R. S". Philosophical Transactions of the Royal Society of London90: 284–292. JSTOR107057. doi:10.1098/rstl.1800.0015.
Liebel, F.; Kaur, S.; Ruvolo, E.; Kollias, N.; Southall, M. D. (2012). "Irradiation of Skin with Visible Light Induces Reactive Oxygen Species and Matrix-Degrading Enzymes". Journal of Investigative Dermatology132 (7): 1901–1907. PMID22318388. doi:10.1038/jid.2011.476.
nuceng.ca
"CANDU textbook". www.nuceng.ca. Arquivado dende o orixinal o 20 de abril de 2017. Consultado o 16 de agosto de 2018.