A. Atalay and R. Abbasoglu, “A DFT investigation of the Diels–Alder reaction of ethyl propiolate to the cage-annulated hexacyclo[7.5.2.01,6.06,13.08,12.010,14]hexadeca-2,4-diene-7,16-dione”, J. Serb. Chem. Soc., vol. 83, no. 7-8, pp. 837–846, Aug. 2018.