@article{5660,
  author = {J. Shull and J. Saken},
  title = {Noncoeval star formation, starbursts, and the growth of supershells in OB associations},
  year = {1995},
  journal = {The Astrophysical Journal},
  volume = {444},
  pages = {663},
  month = {Jan-05-1995},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1995ApJ...444..663S},
  doi = {10.1086/175638},
}