@misc{1154611,
  author = {John S Beers},
  title = {Testing of cover glasses for hemacytometer chambers:},
  year = {1971},
  month = {1971-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.579},
  language = {en},
}