Radlick, Phillip; Gary Alford (1969), “Preparation and isolation of cis, cis, cis, cis-1,3,5,7-cyclononatetraene”, J. Am. Chem. Soc.91 (23): 6529-6530, doi:10.1021/ja01051a083
Radlick, Phillip; Gary Alford (1969), “trans,cis,cis,cis-Cyclononatetraenyl Anion, a New Aromatic 10 π System”, Angewandte Chemie International Edition in English8 (12): 984, doi:10.1002/anie.196909841
Thermal bicyclo[6.1.0]nonatrienyl chloride-dihydroindenyl chloride rearrangement Paul v. R. Schleyer, James C. Barborak, Tah Mun Su, Gernot Boche, and G. Schneider J. Am. Chem. Soc.; 1971; 93(1) pp 279 - 281; doi:10.1021/ja00730a063
Topology in Chemistry: Designing Mobius Molecules Herges, R. Chem. Rev.; (Review); 2006; 106(12); 4820-4842. doi:10.1021/cr0505425