TY - RPRT TI - Corrosion evaluation of underground telephone cable shielding materials AU - Fink, J L AU - Escalante, E AU - Gerhold, W F PY - 1982 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 82-2509 DO - 10.6028/NBS.IR.82-2509 ER -