@TechReport{SCI:Maa2011a,
  author =    "S.A. Maas and B.J. Ellis and D.S. Rawlins and L.T.
              Edgar and C.R. Henak and J.A. Weiss",
  title =     "Implementation and Verification of a
              Nodally-Integrated Tetrahedral Element in FEBio",
  number =    "UUSCI-2011-007",
  year =      "2011",
  institution = "SCI Institute, University of Utah",
  type =      "SCI Technical Report",
  keywords =  "MRL",
  url =       "http://www.sci.utah.edu/publications/SCITechReports/UUSCI-2011-007.pdf",
}