BRONTO, Sutikno; MULYANINGSIH, Sri; HARTONO, G.; ASTUTI, B. Gunung Api purba Watuadeg: Sumber erupsi dan posisi stratigrafi. Indonesian Journal on Geoscience, [S. l.], v. 3, n. 3, p. 117–128, 2008. DOI: 10.17014/ijog.3.3.117-128. Disponível em: https://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/53. Acesso em: 5 jul. 2025.