@article{1490491,
      recid = {1490491},
      author = {Haltiwanger, John C., and Hurst, Erik, and Miranda, Javier  and Schoar, Antoinette,},
      title = {Measuring entrepreneurial businesses : current knowledge  and challenges /},
      pages = {1 online resource (488 pages) :},
      url = {http://library.usi.edu/record/1490491},
}