@Book{SCI:Eti2015b,
  author =    "T. Etiene and R.M. Kirby and C. Silva",
  title =     "An Introduction to Verification of Visualization
              Techniques",
  year =      "2015",
  publisher = "Morgan \& Claypool Publishers",
  url =       "http://www.sci.utah.edu/publications/Eti2015b/s00679ed1v01y201511cgr022.pdf",
}