Pure Appl. Chem., 1991, Vol. 63, No. 11, pp. 1577-1590
http://dx.doi.org/10.1351/pac199163111577
Periodic system of functional groups: formalism only or heuristic principles
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Pure Appl. Chem., 1991, Vol. 63, No. 11, pp. 1577-1590
http://dx.doi.org/10.1351/pac199163111577