Simionescu, M., L.-L. Albu, M. Raileanu Szeles, and Y. Bilan. “The Impact of Biofuels Utilisation in Transport on the Sustainable Development in the European Union”. Technological and Economic Development of Economy, vol. 23, no. 4, June 2017, pp. 667-86, doi:10.3846/20294913.2017.1323318.