^Ellis K. Fields, Seymour Meyerson. Arynes by Pyrolysis of Acid Anhydrides. J. Org. Chem. October 1966, 31 (10): 3307–3309. doi:10.1021/jo01348a046.
^ 3.03.1Zahradník, Rudolf; Hobza, Pavel; Burcl, Rudolf; Andes Hess, B. Strained unsaturated molecules. Theoretical study of acyclic and cyclic cumulenes and acetylenes. Journal of Molecular Structure: THEOCHEM. October 1994, 313 (3): 335–349. doi:10.1016/0166-1280(94)85015-1.
^George A. Adamson and Charles W. Rees. Towards the total synthesis of cyclo[n]carbons and the generation of cyclo[6]carbon. J. Chem. Soc., Perkin Trans. 1. 1996, (13): 1535–1543. doi:10.1039/P19960001535.