@misc{75531, author = {J.-F. Mahfouf and Florence Rabier}, title = {The ECMWF operational implementation of four dimensional variational assimilation. Part II: Experimental results with improved physics}, year = {1999}, journal = {ECMWF Technical Memoranda}, number = {272}, pages = {26}, month = {02/1999}, publisher = {ECMWF}, address = {Shinfield Park, Reading}, url = {https://www.ecmwf.int/node/10930}, doi = {10.21957/5np3uktqi}, language = {eng}, }