@Article{gh-16-133-1961,
AUTHOR = {Annaheim, H.},
TITLE = {Geographischer Exkursionsführer der Schweiz},
JOURNAL = {Geographica Helvetica},
VOLUME = {16},
YEAR = {1961},
NUMBER = {3},
PAGES = {133--152},
URL = {https://gh.copernicus.org/articles/16/133/1961/},
DOI = {10.5194/gh-16-133-1961}
}