Baluja, Shipra, A.R. Shah, and P.H. Parsania. 2010. “Ultrasonic Velocity Studies of Dioxane Solutions of 1,1’-Bis (4-Hydroxyphenyl) Cyclohexane and 4,4’-Dihydroxy Diphenyl Sulfone at 30oC ”. Asian Journal of Chemistry 8 (4):736-38. https://asianpubs.org/index.php/ajchem/article/view/24182.