@techreport{2001-reinhard,
  title={Natural image statistics for computer graphics},
  author={Erik Reinhard and Peter Shirley and Tom Troscianko},
  institution={University of Utah},
  month={March},
  year={2001},
  number={UUCS-01-002},
  source={http://www.cs.utah.edu/~reinhard/papers/TR-UUCS-01-002.pdf}
}