TY - RPRT TI - Thermal conductivity of a polymide film between 4.2 and 300 K, with and without alumina particles as filler AU - Rule, D L AU - Smith, D R AU - Sparks, L L PY - 1990 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 3948 DO - 10.6028/NIST.IR.3948 ER -