@PhdThesis{SCI:Fle2004c,
  author =    "P.T. Fletcher",
  title =     "Statistical Variability in Nonlinear Spaces:
              Application to Shape Analysis and DT-MRI",
  year =      "2004",
  school =    "University of North Carolina Department of
              Computer Science",
  month =     "August",
  note =      "Ph.D. Thesis",
  url =       "http://www.sci.utah.edu/publications/fletcher04/fletcher_thesis.pdf",
}