@phdthesis{ Lafortune96-MMMCA,
  author = {Eric Lafortune},
  title = {Mathematical Models and Monte Carlo Algorithms for Physically Based
	Rendering},
  year = {1996},
  type = {Ph.D. thesis},
  address = {Leuven, Belgium},
  month = {February},
  institution = {Department of Computer Science, Katholieke Universiteit Leuven}
}