@Article{gh-51-31-1996,
AUTHOR = {Koch, P.},
TITLE = {Brandrodungsfeldbau in Liberia (Shifting Cultivation, Wald-Feld-Wechselwirtschaft, SWA S. 91)},
JOURNAL = {Geographica Helvetica},
VOLUME = {51},
YEAR = {1996},
NUMBER = {1},
PAGES = {31--36},
URL = {https://gh.copernicus.org/articles/51/31/1996/},
DOI = {10.5194/gh-51-31-1996}
}