@misc{76678, author = {S. Tibaldi and J.-F. Geleyn}, title = {The production of a new orography, land-sea mask and associated climatological surface fields for operational purpose}, year = {1981}, journal = {ECMWF Technical Memoranda}, number = {40}, pages = {71}, month = {08/1981}, publisher = {ECMWF}, address = {Shinfield Park, Reading}, url = {https://www.ecmwf.int/node/12715}, doi = {10.21957/p68g6dnfz}, language = {eng}, }