Article Hannah, John; (2011)
Conventions for Recreational Problems in Fibonacci's Liber Abbaci (/isis/citation/CBB001034294/)

Article Høyrup, Jens; (2005)
Leonardo Fibonacci and Abbaco Culture. A Proposal to Invert the Roles (/isis/citation/CBB000651439/)

Book Lüneburg, Heinz; (1993)
Leonardi Pisani liber abbaci, oder Lesevergnügen eines Mathematikers. 2., überarbeitete und erweiterte Auflage (/isis/citation/CBB000055559/)

Article Miura, Nobuo; (1981)
The algebra in the Liber abaci of Leonardo Pisano (/isis/citation/CBB000018688/)

Article Picutti, Ettore; (1981)
Sui numeri congruo-congruenti di Leonardo Pisano (/isis/citation/CBB000025563/)

Article Hughes, Barnabas; (2010)
An Early Abridgement of Fibonacci's De practica geometrie (/isis/citation/CBB001022154/)

Chapter Vogel, Kurt; (1979)
Die Fachwörter für Arithmetik bei Leonardo von Pisa (/isis/citation/CBB000010450/)

Chapter Freguglia, Paolo; (1992)
La determinazione di pi nella Practica geometriae del Fibonacci in un codice del XV secolo (/isis/citation/CBB000048069/)

Book Fibonacci, Leonardo; Sigler, L. E.; (2002)
Fibonacci's Liber Abaci: A Translation into Modern English of Leonardo Pisano's Book of Calculation (/isis/citation/CBB000301710/)

Article Freguglia, Paolo; (1974)
Osservazioni sul procedimento di Leonardo Pisano per la determinazione di pi (/isis/citation/CBB000003690/)

Article Leonardo da Pisa, ; (1979)
Il libro dei quadrati di Leonardo Pisano. [A cura di] Picutti, Ettore (/isis/citation/CBB000002988/)

Article Raffaele Pisano; Paolo Bussotti; (2015)
Fibonacci and the Abacus Schools in Italy. Mathematical Conceptual Streams - Education and its Changing Relationship with Society (/isis/citation/CBB835911573/)

Article Picutti, Ettore; (1978)
I ventidue problemi di analisi indeterminata nel codice L.IV.21 della Biblioteca degli Intronati di Siena (/isis/citation/CBB000006625/)

Article Franci, Raffaella; (1984)
Numeri congruo-congruenti in codici dei secoli XIV e XV (/isis/citation/CBB000015149/)

Article Enrico Giusti; (2022)
The Sources of Leonardo Pisano and how he used them (/isis/citation/CBB577776560/)

Article Nicoletta Rozza; (2019)
Quelques observations sur le lexique technique de la Practica Geometrie de Léonard de Pise, dit Fibonacci (/isis/citation/CBB804675476/)

Book Marc Moyon; (2017)
La géométrie de la mesure dans les traductions arabo-latines médiévales (/isis/citation/CBB684079267/)

Chapter Moyon, Marc; (2012)
Algèbre & Pratica geometriæ en Occident médiéval latin: Abu Bakr, Fibonacci et Jean de Murs (/isis/citation/CBB001200506/)

Chapter Ballieu, Michel; (1993)
Le liber abbaci de Léonard de Pise: Ce qu'on y trouve effectivement.. (/isis/citation/CBB000040204/)

Article Glushkov, S.; (1976)
On approximation methods of Leonardo Fibonacci (/isis/citation/CBB000010054/)