@phdthesis{74455, author = {H. Fechner}, title = {Representation of weather situations above a certain geographical point and for the whole hemisphere by empirical orthogonal functions}, year = {1977}, journal = {Workshop on the use of Empirical Orthogonal functions in Meteorology}, pages = {50-83}, month = {1977}, publisher = {ECMWF}, address = {Shinfield Park, Reading}, language = {eng}, }