"Francesco Grotto, Rachele Sprugnoli, Margherita Fantoli, Maria Simi" . . "Liber Abbaci" . "Liber Abbaci (also known as Liber Abaci) is a historic 1202 treaty on arithmetic by Leonardo Fibonacci." . "At the moment only chapter VIII is included: the chapter is manually annotated with tokenization, lemmatization and part of speech tagging." . . .