TY  - RPRT
TI  - A guide to methods and standards for the measurement of water flow 
AU  - Kulin, Gershon
AU  - Compton, Philip R
PY  - 1975
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS SP 421
DO  - 10.6028/NBS.SP.421
ER  -