@InCollection{    charpiat-faugeras-etal:06,
  author        = {Charpiat, G. and Faugeras, O. and Keriven, R. and 
Maurel, P.},
  title         = {Approximations of shape metrics and application to shape
                  warping and empirical shape statistics},
  year          = {2006},
  editor        = {Krim, H. and Yezzi, A.},
  publisher     = {Birkh{\"a}user},
  booktitle     = {Statistics and Analysis of Shapes},
  pages         = {363--395},
  chapter       = {15},
  modified      = {faugeras}
}