TY - CPAPER AU - Erik Andersson AU - J. Pailleux AU - Jean-Noël Thépaut AU - J. Eyre AU - A. McNally AU - G.A. Kelly AU - P. Courtier BT - Workshop on Variational Assimilation, with special emphasis on Three-dimensional Aspects, 9-12 November 1992 CY - Shinfield Park, Reading DA - 1992 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1992 SP - 123 EP - 156 T2 - Workshop on Variational Assimilation, with special emphasis on Three-dimensional Aspects, 9-12 November 1992 TI - Use of radiances in 3D/4D variational data assimilation ER -