For citations:

Stepanovskikh V.V. Standard Cast-Iron and Steel Samples for Spectral Analysis Developed at JSC “Institute for Certified Reference Materials”. Industrial laboratory. Diagnostics of materials. 2017;83(1 p.II):70-77. (In Russ.) https://doi.org/10.26896/1028-6861-2018-83-1-II-70-77