@techreport {TR-1990-020,
   type = {Technical Report},
   author = {Brian Smits, Gary Meyer },
   title = {Newton's Colors: Simulating Interference Phenomena in Realistic Image Synthesis},
   institution = {University of Oregon, Computer and Information Sciences Department},
   number = TR-1990-020,
   month = 12,
   year = 1990,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/TR-1990-020.pdf}},
}