000 00399nam a2200109Ia 4500
008 230817s9999 xx 000 0 und d
100 _aG. B. N. Tower
245 0 _aInstructions on Modern American Bridge Building
650 _aTechnology
856 _uhttps://new.zodml.org/sites/default/files/2023-08/instructions_on_modern_american_bridge_building_by_g._b._n._tower_tag_bridges.epub
942 _cEBK
999 _c39337
_d39337