On the Calculation of the Molecular Descriptor '/. - Dejan Plavsic; Milan Soskic; Nella Lers (J. Chem. Inf. Comput. Sci., 1998)

On the Relation between W '/W Index, Hyper-Wiener Index, and Wiener Number. - Dejan Plavsic; Nella Lers; Katica Sertic-Bionda (J. Chem. Inf. Comput. Sci., 2000)

Variable Connectivity Index for Cycle-Containing Structures. - Milan Randic; Dejan Plavsic; Nella Lers (J. Chem. Inf. Comput. Sci., 2001)