WELKER, Martin. Review: Stefan Frerichs (2000). Bausteine einer systemischen Nachrichtentheorie. Konstruktives Chaos und chaotische Konstruktionen [Elements of a Systemic News-Theory. Constructive Chaos and Chaotic Constructions]. Forum Qualitative Sozialforschung / Forum: Qualitative Social Research, [S. l.], v. 3, n. 4, 2002. DOI: 10.17169/fqs-3.4.818. Disponível em: https://www.qualitative-research.net/index.php/fqs/article/view/818. Acesso em: 21 feb. 2024.