@misc{46036, author = {D Fanella and A Derecho and S Ghosh}, title = {Maintenance and Modifications to Structural Systems. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-1C)}, year = {2005}, month = {2005-12-01}, publisher = {National Construction Safety Team Act Reports (NIST NCSTAR), National Institute of Standards and Technology, Gaithersburg, MD}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=101003}, language = {en}, }