@misc{1153171, author = {Lief O Olsen}, title = {Introduction to liquid flow metering and calibration of liquid flowmeters:}, year = {1974}, month = {1974-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.831}, language = {en}, }