TY - RPRT TI - Technical and economic analysis of CFC-blown insulations and substitutes for residential and commercial construction AU - Petersen, Stephen R AU - Fanney, A Hunter PY - 1988 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 88-3829 DO - 10.6028/NBS.IR.88-3829 ER -