U. V, . J. Klofac, P. Machonin. Czechoslovak Sociology Today. Revista Mexicana de Sociologí­a, [S. l.], v. 28, n. 4, p. 951–953, 1966. DOI: 10.22201/iis.01882503p.1966.4.58674. Disponível em: http://132.248.234.93/index.php/rms/article/view/58674. Acesso em: 25 feb. 2025.