KUNČINAS, Algirdas. The Structure of Natural Science Theories. Problemos, [S. l.], v. 27, p. 27–36, 1982. DOI: 10.15388/Problemos.1982.27.6306. Disponível em: https://www.journals.vu.lt/problemos/article/view/6306.. Acesso em: 5 may. 2024.