TY - GEN AU - Lerchen, Frank H AU - Pielert, James H AU - Faison, Thomas K C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1980-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.80-2171 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1980 TI - Selected methods for condition assessment of structural, HVAC, plumbing and electrical systems in existing buildings: ER -