ISBN 1-59139-528-3* Lipphardt, Veronika / Ludwig, David: "Knowledge Transfer and Science Transfer", European History Online, Mainz: Institute of European History, 2011, retrieved: January 11, 2012* Shaw, M. (2001).
ISBN 1-59139-528-3* Lipphardt, Veronika / Ludwig, David: "Knowledge Transfer and Science Transfer", European History Online, Mainz: Institute of European History, 2011, retrieved: January 11, 2012* Shaw, M. (2001).