TY - RPRT TI - Observations on the behavior of buildings in the Romania earthquake of March 4, 1977 AU - Fattal, George AU - Simiu, Emil AU - Culver, Charles PY - 1977 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS SP 490 DO - 10.6028/NBS.SP.490 ER -