Martin-Martinez, F., Martín-Martínez, F. J., Fias, S., Van Lier, G., De Proft, F., & Geerlings, P. (2012). Cover Picture: Electronic Structure and Aromaticity of Graphene Nanoribbons (Chem. Eur. J. 20/2012). Chemistry - A European Journal, 18(20), p. 6105. doi:10.1002/chem.201290078

Martin-Martinez, Francisco, Francisco J. Martín-Martínez, Stijn Fias, Gregory Van Lier, Frank De Proft, and Paul Geerlings. "Cover Picture: Electronic Structure and Aromaticity of Graphene Nanoribbons (Chem. Eur. J. 20/2012)." Chemistry - A European Journal 18, no. 20 (2012): 6105.

Martin-Martinez, Francisco, et al. "Cover Picture: Electronic Structure and Aromaticity of Graphene Nanoribbons (Chem. Eur. J. 20/2012)." Chemistry - A European Journal 18.20 (2012): 6105.