VESSALLY, E., B. GHASSABI, A. KHOJASTEH, and S. FATEH. “Conformational Studies on Divalent Rings C4HnM (n = 4, 6 and 8; M = C, Si, Ge, Sn and Pb)”. Asian Journal of Chemistry 22, no. 2 (March 30, 2010): 929–933. Accessed July 1, 2024. https://asianpubs.org/index.php/ajchem/article/view/11205.