Contribuţii la istoria militară a Daciei Ripensis. I. Despre fortificaţii nominalizate de ştampile tegulare pe graniţa de nord a provinciei. Contributions to the Military History of Dacia Ripensis. Fortifications Nominated by Stamps on Tiles Found on the Northern Border of the Province - Gudea, Nicolae (Apulum, 46 (2009), 2009)