Kuhn, Richard Max Planck Institute for Medical Research, Max Planck Society;
Blau, Werner Max Planck Institute for Medical Research, Max Planck Society;
http://onlinelibrary.wiley.com/doi/10.1002/cber.19590920702/epdf (全文テキスト(全般))
https://doi.org/10.1002/cber.19590920702 (全文テキスト(全般))
Kuhn, R., & Blau, W. (1959). Über Kumulene, X.cis-trans-Isomerie bei Dinitro-tetraphenyl-kumulenen. Chemische Berichte, 92(7), 1483-1500. doi:10.1002/cber.19590920702.