This author has not been identified. Look up 'Jean-Claude Bermond' in GoogleThis author has not been identified. Look up 'Ralf Klasing' in GoogleThis author has not been identified. Look up 'Nelson Morales' in GoogleThis author has not been identified. Look up 'Stéphane Pérennes' in GoogleThis author has not been identified. Look up 'Patricio Reyes' in Google