Sharif, S. M., and K. Ogusu. “Enhanced and Constant-Value Transient Diffraction Efficiency from a Recorded Grating in a BaTiO<sub>3</Sub> Crystal”. Journal of Scientific Research 3, no. 2 (April 28, 2011): 217–224. Accessed July 16, 2024. https://banglajol.info/index.php/JSR/article/view/5593.