@book{bhlitem58225, title = {ABC of the steel square and its uses; being a condensed compilation from the copyrighted works of Fred T. Hodgson }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/58225}, note = {https://www.biodiversitylibrary.org/bibliography/18603}, publisher = {Wilmette, Ill, F.J. Drake, [n.d.]}, author = {Hodgson, Frederick Thomas,}, year = {}, pages = {152}, }