TY  - RPRT
TI  - Effect of pipe roughness on orifice flow measurement 
AU  - Brennan, J A
PY  - 1989
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 1329
DO  - 10.6028/NIST.TN.1329
ER  -