Evidence for asymmetric edge-on Langmuir monolayer: Application to surface potential measurementsA. El Abed, R. Ionov, M. Goldmann, P. Fontaine, J. Billard and P. PerettiEurophys. Lett., 56 2 (2001) 234-240DOI: https://doi.org/10.1209/epl/i2001-00511-0