@article {goldsmithAAS,
	title = {Nonlinear tube-fitting for the analysis of anatomical and functional structures},
	journal = {Annals of Applied Statistics, PMCID: PMC3119905},
	volume = {5},
	number = {1},
	year = {2011},
	pages = {337-363},
	issn = {1932-6157},
	doi = {10.1214/10-AOAS384},
	author = {Goldsmith, J and Caffo, B and Crainiceanu, C and Reich, D. and Du, Y and Hendrix, C}
}
