P 2006 Q

R. Medina, Nancy Hitschfeld, L. Forest, F. Padilla, S. Martinez, J. San Martín, Geometric Modeling of Tree Stem Deformations, Abstract Proceedings of the 7th World Congress on Computational Mechanics 5th Simposium on Trends in unstructured Mesh Generation, Los Angeles, USA, 2006 (CDROM).