Nguyen, MT., Hegarty, AF., Sana, M., & Leroy, G. (1985). Stereoelectronic Effect in Anionic 1,1-addition To Isocyanides - An Abinitio Study of the H- + Hnc System. Journal of the American chemical society, 107(14), 4141-4145. https://doi.org/10.1021/ja00300a008 (Original work published 1985)