TY - RPRT TI - Analysis of electric energy usage in Air Force houses equipped with air-to-air heat pumps AU - Achenbach, Paul R AU - Davis, Joseph C AU - Smith, William, T PY - 1962 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS MONO 51 DO - 10.6028/NBS.MONO.51 ER -