TY - RPRT TI - Urea-formaldehyde foam insulation subjected to high humidity conditions at elevated temperatures AU - Pierce, E T AU - Burch, D M PY - 1978 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 78-1465 DO - 10.6028/NBS.IR.78-1465 ER -