Neugebauer, Franz A. Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;
http://www.sciencedirect.com/science/article/pii/S0040402001931369/pdf?md5=04a9b821a00de20491b0c3c35056b9b8&pid=1-s2.0-S0040402001931369-main.pdf (beliebiger Volltext)
https://doi.org/10.1016/S0040-4020(01)93136-9 (beliebiger Volltext)
Neugebauer, F. A. (1970). Substituted 5-T-butyl tetrazolinyl and phototetrazolinyl radicals. Tetrahedron, 26(20), 4843-4851. doi:10.1016/S0040-4020(01)93136-9.