Li Q, Bu Q, Li X, Zeng H. Optimized design of downhole heater seal for oil shale in-situ heat injection. Bull. Pol. Acad. Sci. Tech. Sci. [Internet]. 2024 Oct. 30 [cited 2026 Aug. 16];72(6):e151383. Available from: https://wydawnictwo.pan.pl/index.php/bpasts/article/view/2417