@misc{esnault:hal-02189464, TITLE = {{Les fortifications m{\'e}di{\'e}vales et les Portes Mordelaises}}, AUTHOR = {Esnault, Elen}, URL = {https://univ-rennes.hal.science/hal-02189464}, YEAR = {2018}, HAL_ID = {hal-02189464}, HAL_VERSION = {v1}, }