Rights and permissions
About this article
Cite this article
Reference materials approved by the Gosstandart in the second quarter of 1979 for testing the composition and properties of substances and materials. Meas Tech 22, 1504–1506 (1979). https://doi.org/10.1007/BF00839199
Issue Date:
DOI: https://doi.org/10.1007/BF00839199