@misc{1163331,
  author = {E S Gladney and B T O'Malley and I Roelandts and T E Gills},
  title = {Compilation of elemental concentration data for NBS clinical, biological, geological, and environmental Standard Reference Materials:},
  year = {1987},
  month = {1987-11-01 05:11:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.SP.260-111},
  language = {en},
}