1. Some statistical methods for the comparison of growth curves;Rao;Biometrics,1958
2. Estimating the mean and covariance structure nonparametrically when the data are curves;Rice;J. Roy. Statist. Soc. Ser. B,1991
3. Some tools for functional data analysis (with discussion);Ramsay;J. Roy. Statist. Soc. Ser. B,1991
4. Applied Functional Data Analysis;Ramsay,2002
5. Functional Data Analysis;Ramsay,2005