This author has not been identified. Look up 'Liviu Ciortea' in GoogleThis author has not been identified. Look up 'Cristian Zamfir' in GoogleThis author has not been identified. Look up 'Stefan Bucur' in GoogleThis author has not been identified. Look up 'Vitaly Chipounov' in GoogleThis author has not been identified. Look up 'George Candea' in Google