@inbook{6023,
  author = {Richard McCray},
  title = {Understanding the nebular spectrum of SN 1987A},
  year = {1996},
  volume = {145},
  number = {IAU Colloquia},
  pages = {223},
  publisher = {Cambridge University Press},
  issn = {ISBN-10: 0521460808 | ISBN-13: 978-0521460804},
  note = {JILA Pub. 5347},
}