This author has not been identified. It may be one of the following persons: Look up 'Radu Calinescu' in GoogleThis author has not been identified. Look up 'Milan Ceska' in GoogleThis author has not been identified. Look up 'Simos Gerasimou' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Marta Kwiatkowska' in GoogleThis author has not been identified. Look up 'Nicola Paoletti' in Google