For citations:

Guselnikova T.Ya., Tsygankova A.R., Saprykin A.I. Analysis of germanium dioxide using direct current arc atomic emission spectrometry with preconcentration of trace elements. Industrial laboratory. Diagnostics of materials. 2019;85(1(II)):50-55. (In Russ.) https://doi.org/10.26896/1028-6861-2019-85-1-II-50-55