TY - RPRT TI - Structural properties of "mu-steel" prefabricated sheet-steel constructions for walls, partitions, floors, and roofs sponsored by Herman A. Mugler AU - Whittemore, Herbert L AU - Stang, Ambrose H AU - Phelan, Vincent B PY - 1941 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS BMS 67 DO - 10.6028/NBS.BMS.67 ER -