Jiang, M., L. He, J. Liu, L. Dong, H. Xie, and C. Xiong. 2011. “Inner Voids of Octavinyl Polyhedral Oligomeric Silsesquioxane Acting As Cell Embryos for Polymer Foaming”. Asian Journal of Chemistry 24 (2):509-14. https://asianpubs.org/index.php/ajchem/article/view/8586.