@inproceedings{inproceedingse9d08197,
title   = {Surface roughness of topography: a multi-scale analysis of ladform elements in Midland Valley, Scotland},
author = {Grohmann, Carlos Henrique and Smith, M. J. and Riccomini, Claudio},
year = {2009},
publisher = {Department of Geography University of Zurich},
booktitle   = {Geomorphometry 2009}
}