Cowling, Marc, Helmut Fryges, Georg Licht and Gordon Murray (2007), The survival and growth of adolescent high-tech firms in Germany and the UK, 1997-2003, Anglo-German Foundation Report, London - Berlin
Cowling, Marc, Helmut Fryges, Georg Licht and Gordon Murray (2007), The survival and growth of adolescent high-tech firms in Germany and the UK, 1997-2003, Anglo-German Foundation Report, London - Berlin