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- [8] POLAROGRAPHIC-DETERMINATION OF COBALT(II) IN PRESENCE OF NICKEL(II) CHEMIA ANALITYCZNA, 1985, 30 (01): : 33 - 37
- [10] DETERMINATION OF COBALT IN PRESENCE OF NICKEL AND ZINC BY MEANS OF THIOGLYCOLIC ACID ANILIDE ZHURNAL ANALITICHESKOI KHIMII, 1971, 26 (02): : 338 - &