1.
Baolin T, Shijun W, Yingting G, Hongqi L, Guiren C. Flora of Palaeozoic coal balls of China. JPS [Internet]. 1996 Dec. 31 [cited 2024 Apr. 24];45:247-54. Available from: https://jpsonline.co.in/index.php/jop/article/view/1240