This author has not been identified. It may be one of the following persons: Look up 'Mathieu Acher' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Philippe Collet' in GoogleThis author has not been identified. Look up 'Alban Gaignard' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Philippe Lahire' in GoogleThis author has not been identified. Look up 'Johan Montagnat' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Robert B. France' in Google