TY - RPRT TI - Analysis of scaffolding accident records and related employee casualties AU - Fattal, S G AU - Mullen, C L AU - Hunt, B J AU - Lew, H S PY - 1980 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 79-1955 DO - 10.6028/NBS.IR.79-1955 ER -