Wieland, Theodor Max Planck Institute for Medical Research, Max Planck Society;
http://onlinelibrary.wiley.com/doi/10.1002/ange.19700820814/epdf (Any fulltext)
https://doi.org/10.1002/ange.19700820814 (Any fulltext)
Wieland, T. (1970). Synthesen in der Cyclopeptidreihe. Angewandte Chemie, 82(8), 327. doi:10.1002/ange.19700820814.