SUNDARAMOORTHI, P., et al. “Barium Magnesium Hydrogen Phosphate Single Crystal Growth in Silica Gel Medium: Characterization Studies and Laser Irradiated Nucleation Reduction Process Strategy”. Asian Journal of Chemistry, vol. 20, no. 2, Mar. 2010, pp. 863-9, https://asianpubs.org/index.php/ajchem/article/view/12511.