Birkofer, Leonhard Max Planck Institute for Medical Research, Max Planck Society;
Birkofer, Anneliese Max Planck Institute for Medical Research, Max Planck Society;
http://onlinelibrary.wiley.com/doi/10.1002/cber.19520850404/epdf (Any fulltext)
https://dx.doi.org/10.1002/cber.19520850404 (Any fulltext)
Birkofer, L., & Birkofer, A. (1952). Synthese einiger Phenazin-Derivate. Chemische Berichte, 85(4), 286-289. doi:10.1002/cber.19520850404.