Reference Label	Details
Bettinger 1999	H. F. Bettinger, J. C. Rienstra-Kiracofe, B. C. Hoffman, H. F. Schaefer III, J. E. Baldwin, and P. v. R. Schleyer, Chem. Commun. 16, 1515-1516 (1999) Structural Isomerization of Cyclopropane: A New Mechanism through Propylidene