@article {18877,
	title = {Solution of the linear diffusion equation for modeling erosion proceses with a time varying diffusion coefficient},
	journal = {Earth Surface Processes and Landforms},
	volume = {33},
	year = {2008},
	pages = {1491-1501},
	author = {Skianis, G. and Vaiopoulos, D. and Evelpidou, N.}
}
