Short course on Cartometric Analysis and Numerical Modelling (Feb 16 - Apr 27) by Joaquim Alves Gasp

O que é realmente uma carta náutica? by Joaquim Gaspar and Henrique Leitão (in Portuguese)

Portolan Meeting in Lisboa, June 7-8, Instituto Hidrográfico

After the Compass and Before the Chart: Considerations on the Origin of the Portolan Chart by Gregor