@TECHREPORT {SFB649DP2015-007,
  AUTHOR={Fang, Lei and H\"{a}rdle, Wolfgang K.},
  TITLE={{Stochastic Population Analysis: A Functional Data Approach}},
  YEAR=2015,
  INSTITUTION={Sonderforschungsbereich 649, Humboldt Universit\"{a}t zu Berlin, Germany},
  TYPE={SFB 649 Discussion Paper},
  NOTE={available at http://sfb649.wiwi.hu-berlin.de/papers/pdf/SFB649DP2015-007.pdf},
  NUMBER={2015-007}
}