Muradov, A. D. “INFLUENCE OF COLD TEMPERATURE ANNEALING ON OPTICAL PROPERTIES OF SYSTEM «POLYIMIDE – YBa2Cu3O6+x»”. Recent Contributions to Physics 2009, no. 4 (December 5, 2009): 78–82. Accessed January 30, 2026. https://bph.kaznu.kz/index.php/zhuzhu/article/view/230.