TY  - RPRT
TI  - Investigation of guardrails for the protection of employees from occupational hazards 
AU  - Fattal, S G
AU  - Cattaneo, L E
PY  - 1976
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 76-1139
DO  - 10.6028/NBS.IR.76-1139
ER  -