@Article{gh-30-85-1975,
AUTHOR = {Aerni, K.},
TITLE = {Die Zementfabrik Holderbank : Exkursionsbericht des Vereins Schweizerischer Geographielehrer},
JOURNAL = {Geographica Helvetica},
VOLUME = {30},
YEAR = {1975},
NUMBER = {2},
PAGES = {85--86},
URL = {https://gh.copernicus.org/articles/30/85/1975/},
DOI = {10.5194/gh-30-85-1975}
}