TY - RPRT TI - Structural properties of a wall construction of "pfeifer units" sponsored by the Wisconsin Units Company AU - Whittemore, Herbert L AU - Stang, Ambrose H AU - Parsons, Douglas E PY - 1940 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS BMS 39 DO - 10.6028/NBS.BMS.39 ER -