@Article{gh-64-89-2009,
AUTHOR = {Ibert, O.},
TITLE = {Von "der" Planung zu multiplen Planungen : strategische Entscheidungen unter Bedingungen hoher Komplexität und geringer Umweltkontrolle},
JOURNAL = {Geographica Helvetica},
VOLUME = {64},
YEAR = {2009},
NUMBER = {2},
PAGES = {89--97},
URL = {https://gh.copernicus.org/articles/64/89/2009/},
DOI = {10.5194/gh-64-89-2009}
}