Irreversible processes and selforganization: proceedings of the Fourth International Conference on Irreversible Processes and Selforganization, held at the Wilhelm-Pieck-Universität, Rostock, GDR, February 20 - 24, 1989. In Werner [Herausgeber/in] Ebeling, Heinz Ulbricht, International Conference on Irreversible Processes, Selforganization (4 : 1989 : Rostock), and Universität Rostock (Eds.), Teubner-Texte zur Physik ; 23, Teubner, Leipzig, 1989. [PUMA: Chaostheorie. Congresses. Dissipative Fraktal. Irreversible Irreversibler Prozess. Selbstorganisation Self-organizing Struktur. importzotero processes. systems.]