Kawata, Yashimasa, Masatoshi Tsuji, and Wataru Inami. “Femtosecond Photonics for Three-Dimensional High Density Optical Data Storage”. Journal of Automation, Mobile Robotics and Intelligent Systems 3, no. 4 (January 22, 2013): 9–11. Accessed May 15, 2025. https://jamris.d.tomp.pl/index.php/JAMRIS/article/view/32.