@misc{1180851,
  author = {Fred Winter and Lawrence S Galowin},
  title = {Criteria and evaluation for two-step flush devices for water closets:},
  year = {1981},
  month = {1981-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.81-2296},
  language = {en},
}