Sentences with phrase «budget models 1920s»

Köppen and Wegener (1924), «fast selbstverständliche und dennoch von einigen Autoren angefochtene,» p. 3; Milankovitch published some of his ideas in a work to which Köppen and Wegener referred, Milankovitch (1920); for the full theory, see Milankovitch (1930); on energy - budget models 1920s - 1960s, see Kutzbach (1996), p. 357 - 60.