@article{Warszawski:2014,
author
=
"K.Warszawski and S.Nikiel",
title
=
"A proposition of erosion algorithm for terrain models with hardness layer",
journal
=
"Journal of Theoretical and Applied Computer Science",
volume
=
"Vol. 8",
number
=
"no. 1",
pages
=
"76--84",
year
=
"2014",
}