- M.H. Khalifeh, H. Yousefi-Azari, A.R. Ashrafi, S.G. Wagner, “Some new results on distance-based graph invariants”, European Journal of Combinatorics, 30, no. 5, 2009, 1149
- Fatemeh Koorepazan-Moftakhar, Ali Reza Ashrafi, Ottorino Ori, Mihai V. Putz, 8, Exotic Properties of Carbon Nanomatter, 2015, 131
- Molecular Descriptors for Chemoinformatics, 2009, 1
- Handbook of Molecular Descriptors, 2000, 524