Palermo, V., Palma, M., Tomovic, Z., Watson, M. D., Friedlein, R., Müllen, K., et al. (2005). Influence of molecular order on the local work function of nanographene architectures: A Kelvin-probe force microscopy study. ChemPhysChem, 6(11), 2371-2375. doi:10.1002/cphc.200500181.