Baker, S.; Robinson, J. S.; Haworth, C. A.; Teng, H.; Smith, R. A.; Chirila, C. C.; Lein, M.; Tisch, J. W. G.; Marangos, J. P. (2 Mart 2006). "Probing Proton Dynamics in Molecules on an Attosecond Time Scale". Science. 312 (5772). ss. 424-427. doi:10.1126/science.1123904. PMID16513942.
Baker, S.; Robinson, J. S.; Haworth, C. A.; Teng, H.; Smith, R. A.; Chirila, C. C.; Lein, M.; Tisch, J. W. G.; Marangos, J. P. (2 Mart 2006). "Probing Proton Dynamics in Molecules on an Attosecond Time Scale". Science. 312 (5772). ss. 424-427. doi:10.1126/science.1123904. PMID16513942.
18 Ocak 2010 tarihinde Wayback Machine sitesinde [https://web.archive.org/web/20100118131714/http://www.wordinfo.info/words/index/info/view_unit/246 arşivlendi. atto- [A toh] (Danish or Norwegian: eighteen; a decimal prefix used in the international metric system for measurements)]. Wordinfo.info (2007-04-05). Erişim tarihi: 2011-01-23.