Chapter Joaquim Alves Gaspar (2021)
Navegação e cartografia náutica nos séculos XV e XVI. In: Ciência, Tecnologia E Medicina Na Construção de Portugal. 1: Novos Horizontes (Sécs. XV a XVII) (pp. 101-126). (/isis/citation/CBB517611958/) unapi

Article Joaquim Alves Gaspar (2019)
The Liber de existencia riveriarum (c.1200) and the Birth of Nautical Cartography. Imago Mundi: A Review of Early Cartography (pp. 1-21). (/isis/citation/CBB771662230/) unapi

Article Joaquim Alves Gaspar; Henrique Leitão (2019)
Early Modern Nautical Charts and Maps: Working Through Different Cartographic Paradigms. Journal of Early Modern History (pp. 1-28). (/isis/citation/CBB546117075/) unapi

Article Joaquim Alves Gaspar; Henrique Leitão (2018)
Luís Teixeira, c.1585: The Earliest Known Chart with Isogonic Lines. Imago Mundi: A Review of Early Cartography (pp. 221-228). (/isis/citation/CBB301508814/) unapi

Article Joaquim Alves Gaspar; Henrique Leitão (2018)
What is a Nautical Chart, Really? Uncovering the Geometry of Early Modern Nautical Charts. Journal of Cultural Heritage (pp. 130-136). (/isis/citation/CBB969859710/) unapi

Book Antonio Sánchez; Joaquim Alves Gaspar; Alexandra Curvelo (2016)
A Biblioteca Nacional de Portugal: Uma Viagem pelo Conhecimento — Catálogo da Exposição Digital. (/isis/citation/CBB857078662/) unapi

Article Gaspar, Joaquim Alves (2015)
The Portuguese Atlas of Valladolid (Sixteenth Century): A Geometric Reassessment. Imago Mundi: A Review of Early Cartography (pp. 168-178). (/isis/citation/CBB001551660/) unapi

Article Gaspar, Joaquim Alves; Leitão, Henrique (2014)
Squaring the Circle: How Mercator Constructed His Projection in 1569. Imago Mundi: A Review of Early Cartography (pp. 1-24). (/isis/citation/CBB001213821/) unapi

Article Leitão, Henrique; Gaspar, Joaquim Alves (2014)
Globes, Rhumb Tables, and the Pre-History of the Mercator Projection. Imago Mundi: A Review of Early Cartography (pp. 180-195). (/isis/citation/CBB001214456/) unapi

Article Gaspar, Joaquim Alves (2012)
Blunders, Errors and Entanglements: Scrutinizing the Cantino Planisphere with a Cartometric Eye. Imago Mundi: A Review of Early Cartography (p. 181). (/isis/citation/CBB001232624/) unapi