Tóth J. A SHORT REVIEW OF THE HUNGARIAN PETROLEUM AND NATURAL GAS INDUSTRY FROM THE BEGINNINGS UP TO THE PRESENT DAY Period. Polytech. Chem. Eng. [Internet]. 1989 Jan. 1 [cited 2024 Dec. 27];33(1):77-81. Available from: https://pp.omikk.bme.hu/ch/article/view/2748