TY - RPRT TI - Report on field performance of bituminous protected metals : manufactured by Kramer Trenton Company Trenton, New Jersey AU - Cullen, William C AU - Wendell, P F PY - 1960 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 6658 DO - 10.6028/NBS.RPT.6658 ER -