@phdthesis{74824,
  author = {R. Hoffman and R. Isaacs and J-F. Louis and T. Nehrkorn and C. Grassotti},
  title = {OSSE's with the AFGL global data assimilation system},
  year = {1989},
  journal = {ECMWF/EUMETSAT Workshop on The Use of Satellite Data in Operational Numerical Weather Prediction: 1989-1993, 9-12 May 1989},
  volume = {1},
  pages = {221-244},
  month = {1989},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}