TY - RPRT TI - Summary report of NIST's industry-government consortium research program on flowmeter installation effects with emphasis on the research period January - September 1991: the reducer AU - Mattingly, G E AU - Yeh, T T PY - 1992 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 4779 DO - 10.6028/NIST.IR.4779 ER -