Gonçalves, V. S., Sousa, A. C., & Costeira, C. (2018). Walls, doors and towers. Fortified settlements in the south and centre of Portugal: Some notes about violence and walls in the 3rd millenium BCE.

Gonçalves, Victor S., Ana Catarina Sousa, and Catarina Costeira. Walls, Doors and Towers. Fortified Settlements in the South and Centre of Portugal: Some Notes About Violence and Walls in the 3rd Millenium BCE. 2018.

Gonçalves, Victor S., et al. Walls, Doors and Towers. Fortified Settlements in the South and Centre of Portugal: Some Notes About Violence and Walls in the 3rd Millenium BCE. 2018.