VAN VLIJMEN, B. Exploration of Problem and Solution Types in Los Angeles County Smog Control 1943-1976. Transmathematica, [S. l.], 2025. DOI: 10.36285/tm.113. Disponível em: https://transmathematica.org/index.php/journal/article/view/113. Acesso em: 1 may. 2026.