KAISER, Georg A. Was zählt, wenn nichts zählt? Zur Bestimmung von Nullsubjekten am Beispiel von Asterix’ ’Goldener Sichel’. In: GIANOLLO, Chiara; JĘDRZEJOWSKI, Łukasz; LINDEMANN, Sofiana I. (eds.). Paths through meaning and form: Festschrift offered to Klaus von Heusinger on the occasion of his 60th birthday. Cologne, Germany: USB MONOGRAPHS,2022. p. 144–149. DOI: 10.18716/omp.3.c40. Disponível em: https://monographs.ub.uni-koeln.de/usbk/catalog/book/3/chapter/40. Acesso em: 18 may. 2025.