@book{bhlitem58345, title = {Condensed catalogue of Bethlehem structural shapes }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/58345}, note = {https://www.biodiversitylibrary.org/bibliography/18695}, publisher = {Bethlehem, Pa, 1922}, author = {Bethlehem Steel Company}, year = {}, pages = {40}, }