@conference{8730,
  author = {Roy Garstang},
  title = {Modelling manmade night-sky illumination},
  year = {1987},
  publisher = {Lowell Observatory},
  address = {Flagstaff, Arizona},
  isbn = {ISBN-10: 0961828803 ISBN-13: 978-0961828806},
  note = {JILA Pub. 3359},
}