@phdthesis{74574, author = {H.P. Gemein}, title = {The GEOVOR interactive graphics system}, year = {1981}, journal = {Seminar on Graphical Applications in Meteorology, 19-23 October 1981}, pages = {5.7-5.31}, month = {1981}, publisher = {ECMWF}, address = {Shinfield Park, Reading}, language = {eng}, }