@book { BasistechnologienzurUntersttzungdesWissensmanagements, title = "Basistechnologien zur Unterstützung des Wissensmanagements", author = "Holger {Himmel}", year = "2003", publisher = "GRIN Verlag", address = "München, Germany", doi = "10.3239/9783638163323", url = "https://www.hausarbeiten.de/document/9702" }