For citations:
Stupakova G.A., Ignat'eva E.E., Pankratova K.G., Den'gina S.A., Gromova T.B., Shchelokov V.I., Shchipletsova T.I., Mitrofanov D.K. METROLOGICAL SUPPORT OF AGROCHEMICAL LABORATORIES IN AGROECOLOGICAL MONITORING. Measurement Standards. Reference Materials. 2015;(3):71-79. (In Russ.)

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