@conference {DonatoBelongie2003,
	title = {{Approximation Methods for Thin Plate Spline Mappings and Principal Warps}},
	booktitle = {Proceedings, Part III, Lecture Notes in Computer Science},
	series = {Computer Vision {\textendash}- ECCV 2002: 7th European Conference on Computer Vision},
	year = {2003},
	pages = {21{\textendash}31},
	address = {Copenhagen, Denmark},
	author = {Donato, G. and Belongie, S.},
	editor = {Heyden, A. and Sparr, G. and Nielsen, M. and Johansen, P.}
}