@Article{gh-47-98-1992,
AUTHOR = {K\"archer, T.},
TITLE = {Weltstädte : einige neue Hypothesen zur Dynamik und Struktur von Weltstädten},
JOURNAL = {Geographica Helvetica},
VOLUME = {47},
YEAR = {1992},
NUMBER = {3},
PAGES = {98--104},
URL = {https://gh.copernicus.org/articles/47/98/1992/},
DOI = {10.5194/gh-47-98-1992}
}