Szturo, Marek, Bogdan Włodarczyk, George H. Ionescu, Daniela Firoiu, and Vitor Braga. “Systemic Risk and Contagion in the Commodity Market: Identifying Volatility Transmission During Crisis Periods”. Technological and Economic Development of Economy (December 12, 2024): 1-19. Accessed December 26, 2024. https://transport.vgtu.lt/index.php/TEDE/article/view/22560.