@techreport{NBERw0479,
 title = "Interrupted Work Careers",
 author = "Jacob Mincer and Haim Ofek",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "479",
 year = "1980",
 month = "May",
 URL = "http://www.nber.org/papers/w0479",
}