TY - GEN AU - Fanella, David A AU - Derecho, Amaldo T AU - Ghosh, S K C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2005-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.NCSTAR.1-1cv1 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2005 TI - Maintenance and modifications to structural systems: ER -