Collect. Czech. Chem. Commun.
1972, 37, 1978-1982
https://doi.org/10.1135/cccc19721978
Electronic spectra and semiempirical calculations on dinegative ions of acenaphthylene, fluoranthene and aceheptylene
V. Rejholec, J. Pancíř, P. Čársky and R. Zahradník