@misc{1162956, author = {M S Richmond}, title = {Standard Reference Materials ::Analysis of uranium concentrates at the National Bureau of Standards/}, year = {1965}, month = {1965-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.SP.260-8}, language = {en}, }