@misc{1193216, author = {Gene E Golden and Roy B Hunter}, title = {Backflow prevention in over-rim water supplies:}, year = {1939}, month = {1939-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.BMS.28}, language = {en}, }