G. , J. Marais, P. And-straßer, and W. , Terrain Sketching, Proceedings of the Symposium on Interactive 3D Graphics and Games, pp.3-09, 2009.

H. , H. Guéringu´guérin, E. Akkouche, S. Peytavie, A. And-galin et al., Feature based terrain generation using diffusion equation, Computer Graphics Forum, vol.29, issue.7, 2010.