Aso, Michael Getzner, Clive Spash und Sigrid Stagl. Naja.

Link: https://scholar.google.at/scholar?hl=de&as_sdt=0%2C5&q=getzner+spash&btnG=.
Link: https://pdfs.semanticscholar.org/9030/a98040466a91fd746a82ea47e123c6481f37.pdf.