This author has not been identified. Look up 'Kemal Ugur' in GoogleThis author has not been identified. Look up 'Alexander Alshin' in GoogleThis author has not been identified. Look up 'Elena Alshina' in GoogleThis author has not been identified. Look up 'Frank Bossen' in GoogleThis author has not been identified. Look up 'Woojin Han' in GoogleThis author has not been identified. Look up 'Jeong-Hoon Park' in GoogleThis author has not been identified. Look up 'Jani Lainema' in Google