BIEZAIS, H. 1. Die bisherigen Standpunkte zur Lösung des Problems. Scripta Instituti Donneriani Aboensis, [S. l.], v. 8, 1976. DOI: 10.30674/scripta.67097. Disponível em: https://journal.fi/scripta/article/view/67097. Acesso em: 27 nov. 2024.