Kumar, Ravinder, Sunny Aggarwal, and Narendra Singh. “Energy Levels and Radiative Properties of Cu-Like Tungsten”. Journal of Atomic, Molecular, Condensed Matter and Nano Physics 7, no. 2 (August 31, 2020): 115–131. Accessed April 11, 2025. http://rgnpublications.com/journals/index.php/jamcnp/article/view/1455.