@book { TowardsaframeworkforRequirementsEngineeringinagileGlobalSoftwareDevelopment, title = "Towards a framework for Requirements Engineering in agile Global Software Development", author = "Ulrich {Theisinger}", year = "2014", publisher = "GRIN Verlag", address = "München, Germany", url = "https://www.hausarbeiten.de/document/268438" }