@book { TheorieundPraxisdersystemtheoretischenOrganisationsberatung, title = "Theorie und Praxis der systemtheoretischen Organisationsberatung", author = "Alexander {Jung}", year = "2005", publisher = "Diplom.de", address = "Hamburg, Deutschland", doi = "10.3239/9783832440787", url = "https://m.diplom.de/document/219707" }