Borowski, Piotr F., Ewa Golisz, and Izdebski Waldemar. “Changes in the Legal Conditions of Transport Biofuels in Poland on the Background of the European Union”. Technology audit and production reserves 1, no. 2(15) (February 6, 2014): 45–48. Accessed March 29, 2024. https://journals.uran.ua/tarp/article/view/22305.