TY - RPRT TI - Structural properties of six masonry wall constructions AU - Whittemore, Herbert L AU - Stang, Ambrose H AU - Parsons, Douglas E PY - 1938 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS BMS 5 DO - 10.6028/NBS.BMS.5 ER -