KLESZCZEWSKI, Zygmutnt, and Marian WOJEWODA. “Diffraction of Light by Acoustic Waves in Crystals”. Archives of Acoustics 1, no. 2 (June 30, 1976): 159–169. Accessed April 18, 2026. http://acoustics.ippt.gov.pl/index.php/aa/article/view/3511.