BAINIAN, S.; GUANGLONG, S. A supplementary study on Protoblechnum Lesquereux from China. Journal of Palaeosciences, [S. l.], v. 48, n. (1-3), p. 125–129, 1999. DOI: 10.54991/jop.1999.1296. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/1296. Acesso em: 3 may. 2024.