TY - RPRT TI - Performance of coated steel reinforcement in concrete. part 1. investigation of bond in pullout specimens AU - Mathey, Robert G AU - Clifton, James R AU - Anderson, Erik D AU - Beeghly, Hugh F PY - 1973 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 73-401 DO - 10.6028/NBS.IR.73-401 ER -