TY - RPRT TI - The wind tunnel model surface gauge for measuring roughness AU - Vorburger, T V AU - Gilsinn, D E AU - Teague, E C AU - Giauque, C H W AU - Scire, F E AU - Cao, L X PY - 1987 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 87-3586 DO - 10.6028/NBS.IR.87-3586 ER -