Migdall, A.
(1999),
Correlated-Photon System Measures Radiance Directly. Part I, http://www.photonicsonline.com/article.mvc/Correlated-Photon-System-Measures-Radiance-Di-0001?VNETCOOKIE=NO, [online], http://www.photonicsonline.com/article.mvc/Correlated-Photon-System-Measures-Radiance-Di-0001?VNETCOOKIE=NO
(Accessed October 7, 2024)