TY - RPRT TI - Review of current codes and standards for scaffolds AU - Fattal, S G AU - Mullen, C L AU - Lew, H S AU - Hunt, B J PY - 1980 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 79-1937 DO - 10.6028/NBS.IR.79-1937 ER -