@phdthesis{74604, author = {J. Gibson and P.W. Kållberg and A. Nomura and S. Uppala}, title = {The ECMWF Re-Analysis (ERA) project - plans and current status}, year = {1993}, journal = {Fourth Workshop on Meteorological Operational Systems, 22-26 November 1993}, pages = {162-169}, month = {1993}, publisher = {ECMWF}, address = {Shinfield Park, Reading}, language = {eng}, }