@book{ 0-165639815X, title = {Der Festungsbau im alten Orient}, series = {Der Alte Orient}, author = {Billerbeck, Adolf}, address = {Leipzig}, publisher = {Hinrichs}, year = {1903}, edition = {2., verb. Aufl.}, language = {German}, note = {In Fraktur}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:15-0011-135058}, url = {https://katalog.gfzk.de/Record/0-165639815X} }