1. Alavi, Y., Malde, P.J., Schwenk, A.J., Erdős, P. The vertex independence sequence of a graph is not constrained. Congr. Numer., 58: 15–23 (1987)
2. Bahls, P. On the independence polynomils of path-like graphs. Australas. J. Combin, 53: 3–18 (2012)
3. Bahls, P., Ethridge, B., Szabo, L. Unimodality of the independence polynomials of non-regular caterpillars. Australas. J. Combin., 71: 104–112 (2018)
4. Bahls, P., Salazar, N. Symmetry and unimodality of independence polynomials of path-like graphs. Australas. J. Combin., 47: 165–176 (2010)
5. Basit, A., Galvin, D. On the independent set sequence of a tree. Electron. J. Combin., 28(3), Paper No. 3.23, 23 pp. (2021)