Paper  bibtex   

@techreport{ svensson_estimating_1994,
  title = {Estimating and interpreting forward interest rates: Sweden 1992-1994},
  shorttitle = {Estimating and interpreting forward interest rates},
  url = {http://www.nber.org/papers/w4871},
  urldate = {2013-05-27},
  institution = {National Bureau of Economic Research},
  author = {Svensson, Lars {EO}},
  year = {1994},
  keywords = {term structure}
}