Stone, Peter G. (2013). "A four-tier approach to the protection of cultural property in the event of armed conflict". Antiquity. 87 (335): 166–177. doi:10.1017/S0003598X00048699. S2CID143218182.
Stone, Peter G. (2013). "A four-tier approach to the protection of cultural property in the event of armed conflict". Antiquity. 87 (335): 166–177. doi:10.1017/S0003598X00048699. S2CID143218182.