Mangum, B.
(1983),
Standard Reference Materials ::SRM 1969 /, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.SP.260-87
(Accessed December 2, 2024)
If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.