Pure Appl. Chem., 1982, Vol. 54, No. 5, pp. 939-956
http://dx.doi.org/10.1351/pac198254050939
New aspects of the chemistry of nonbenzenoid polycyclic conjugated π-electron systems
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Pure Appl. Chem., 1982, Vol. 54, No. 5, pp. 939-956
http://dx.doi.org/10.1351/pac198254050939