@unpublished{TUW-218790, author = {Raveloson, Andrea and Sz{\'e}kely, Bal{\'a}zs and Visnovitz, Ferenc and Udvardi, Beatrix and Szab{\'o}, Csaba}, title = {Lavakas, the unusual gullies of Madagascar: A review on their formation and distribution}, year = {2013}, note = {poster presentation: 6th International Symposium on Gully Erosion in a Changing World (6th ISGE), Iasi, Romania; 2013-05-06 -- 2013-05-12} }