(1977). Repair of buildings damaged by earthquakes. New York: United Nations. Department of Economic and Social Affairs.
Παραπομπή Chicago StyleRepair of Buildings Damaged By Earthquakes. New York: United Nations. Department of Economic and Social Affairs, 1977.
Παραπομπή MLARepair of Buildings Damaged By Earthquakes. New York: United Nations. Department of Economic and Social Affairs, 1977.
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