呀呀呀那个鸭心:
直接在谷歌学术里面搜索。Adam, W., & Grimison, A. (1967). Sigma-polarization in 5-membered heterocyclic ring systems. Theoretica chimica acta, 7(4), 342-351. 我搜索到的是这篇文献doi:10.1007/bf00537511 。我看了sci-hub就有这篇文献
直接在谷歌学术里面搜索。Adam, W., & Grimison, A. (1967). Sigma-polarization in 5-membered heterocyclic ring systems. Theoretica chimica acta, 7(4), 342-351. 我搜索到的是这篇文献doi:10.1007/bf00537511 。我看了sci-hub就有这篇文献