Samantha K. Cormier, Marco Foscato, Michael J. Ferguson, Vidar R. Jensen, R. Tom Baker, Deryn E. Fogg. "Elementary Steps in Olefin Metathesis: Nickelacyclobutanes via Cycloaddition to Nickel Carbenes." Journal of the American Chemical Society (2025). https://doi.org/10.1021/jacs.5c06505