TY - BOOK AU - Markus Helfert, Brian Donnellan TI - Practical Aspects of Design Science SN - 978-3-642-33681-2 PY - 2012/// CY - Germany PB - Springer KW - Computer Science KW - Practical Aspects of Design Science UR - http://link.springer.com/openurl?genre=book&isbn=978-3-642-33680-5 ER -