1. PI index of zig-zag polyhex nanotubes;Ashrafi;MATCH Commun. Math. Comput. Chem.,2006
2. Computing the Wiener Index of a TUC4C8(S) nanotorus;Ashrafi;MATCH Commun. Math. Comput. Chem.,2007
3. PI index of armchair polyhex nanotubes;Ashrafi;ARS Combin.,2006
4. Generation and graph-theoretical properties of C4-tori;Diudea;MATCH Commun. Math. Comput. Chem.,2001
5. Toranes versus torenes;Diudea;MATCH Commun. Math. Comput. Chem.,2001