@Article{gh-16-170-1961,
AUTHOR = {B\"osiger, K.},
TITLE = {Zur Methodik des Geographieunterrichts an Handelsschulen},
JOURNAL = {Geographica Helvetica},
VOLUME = {16},
YEAR = {1961},
NUMBER = {3},
PAGES = {170--179},
URL = {https://gh.copernicus.org/articles/16/170/1961/},
DOI = {10.5194/gh-16-170-1961}
}