Before revision: This effect was initially found by Dixon, Bortolussi, Twilley and Leung in 1993 for the story Emma Zunz by Jorge Luis Borges, and was later found for other texts as well.
After revision: by Hakemulder and his colleaguesThis effect was initially found by Dixon, Bortolussi, Twilley and Leung in 1993 for the story Emma Zunz by Jorge Luis Borges, and was later found for other texts as well.