Franzen, Volker Max Planck Institute for Medical Research, Max Planck Society;
Driesen, Hans-Erhard Max Planck Institute for Medical Research, Max Planck Society;
http://www.sciencedirect.com/science/article/pii/S0040403900709270/pdfft?md5=03b2be3477f489652b2294eedcb84c54&pid=1-s2.0-S0040403900709270-main.pdf (Any fulltext)
https://doi.org/10.1016/S0040-4039(00)70927-0 (Any fulltext)
Franzen, V., & Driesen, H.-E. (1962). Methylenierung mit Sulfonium-Yliden. Tetrahedron Letters, 3(15), 661-662. doi:10.1016/S0040-4039(00)70927-0.