TY - RPRT TI - Building to resist the effect of wind in five volumes volume 2. estimation of extreme speeds and guide to the determination of wind forces AU - Simiu, Emil AU - Marshall, Richard D PY - 1977 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS BSS 100-2 DO - 10.6028/NBS.BSS.100-2 ER -