http://bulgariancastles.com/bg/node/2081
https://www.academia.edu/2149326/Trimammium_-_a_Roman_castellum_and_civitas_on_the_Lower_Danube, p. 445
http://bulgariancastles.com/bg/node/2081
https://www.academia.edu/2149326/Trimammium_-_a_Roman_castellum_and_civitas_on_the_Lower_Danube, p. 445
Station Trimammium
Vicus
Necropolis