@TechReport{Nagl08, author = "Manfred Nagl", title = "The Architecture is the Center of the Software Development Process", institution = "RWTH Aachen", keywords = "architecture modeling, adaptability and long term properties, determination of the final result", year = "2021", number = "AIB-2021-08", month = nov, url = "http://publications.rwth-aachen.de/record/835237/files/835237.pdf" }