Neugebauer, Franz A. Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;
http://onlinelibrary.wiley.com/doi/10.1002/ange.19750872303/epdf (Any fulltext)
https://doi.org/10.1002/ange.19750872303 (Any fulltext)
Danen, W. C., & Neugebauer, F. A. (1975). Aminyl-Radikale. Angewandte Chemie, 87(23), 823-830. doi:10.1002/ange.19750872303.