@misc{80545, author = {Patrick Laloyaux and Eric de Boisseson and Per Dahlgren}, title = {CERA-20C: An Earth system approach to climate reanalysis}, year = {2017}, journal = {ECMWF newsletter}, chapter = {Meteorology}, pages = {25-30}, month = {2017}, url = {https://www.ecmwf.int/node/18164}, doi = {10.21957/ffs36birj2}, language = {eng}, }