“EXTENSION OF HIGH REFLECTANCE BAND WIDTH FOR FAR INFRARED SPECTRAL REGION : (1) ”, Baghdad Sci.J, vol. 1, no. 2, pp. 247–252, Dec. 2004, Accessed: Jun. 19, 2025. [Online]. Available: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/554