Saint Gregoire, Pierre, and Mikhail Smirnov. “Perovskites and Other Framework Structure Materials (Book’s First Pages and Preface)”. OAJ Materials and Devices 5, no. 1 (January 19, 2021). Accessed April 18, 2024. http://caip.co-ac.com/index.php/materialsanddevices/article/view/122.