PIPER, David J. W. Pyroclasts: Joint Authorship and its Recurring Problems: A Matter of Respect. Geoscience Canada, [S. l.], v. 24, n. 1, 1997. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/3934. Acesso em: 3 may. 2024.