This author has not been identified. Look up 'Uwe van Heesch' in GoogleThis author has not been identified. Look up 'Veli-Pekka Eloranta' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Paris Avgeriou' in GoogleThis author has not been identified. Look up 'Kai Koskimies' in GoogleThis author has not been identified. Look up 'Neil B. Harrison' in Google