For citations:

Vershinin V.I., Abramova A.E. Determination of the total content of similar substances using integrated indices or multivariate calibrations at a high intragroup selectivity of signals. Industrial laboratory. Diagnostics of materials. 2022;88(10):5-12. (In Russ.) https://doi.org/10.26896/1028-6861-2022-88-10-5-12