^Paterno, E.; Chieffi, G. (1909). "Sintesi in chimica organica per mezzo della luce. Nota II. Composti degli idrocarburi non saturi con aldeidi e chetoni" [Synthesis in organic chemistry by means of light. Note II. Compounds of unsaturated hydrocarbons with aldehydes and ketones]. Gazz. Chim. Ital. (in Italian). 39: 341â361.
^G. BĂźchi; Charles G. Inman; E. S. Lipinsky (1954). "Light-catalyzed Organic Reactions. I. The Reaction of Carbonyl Compounds with 2-Methyl-2-butene in the Presence of Ultraviolet Light". Journal of the American Chemical Society. 76 (17): 4327â4331.
doi:
10.1021/ja01646a024.
^Thorsten Bach (1998). "Stereoselective Intermolecular [2 + 2]-Photocycloaddition Reactions and Their Application in Synthesis". Synthesis. 1998 (5): 683â703.
doi:
10.1055/s-1998-2054.
S2CID196714415.