TY - RPRT TI - an interlaboratory evaluation of the ASTM E 84-77a tunnel test modified by the Consumer Product Safety Commission for cellulosic loose fill insulation AU - Lawson, J Randall PY - 1979 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 79-1922 DO - 10.6028/NBS.IR.79-1922 ER -