Hu, H.M., C.H. Deng, X.Q. Ge, M. Sun, K.H. Zhang, and M.D. Yang. “Novel Handbell-Like ZnO Architectures Fabricated by One-Pot Sonochemical Method”. Asian Journal of Chemistry 24, no. 9 (May 10, 2012): 3969–3972. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/9516.