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- [1] CONCENTRATION AND SPECTROCHEMICAL DETERMINATION OF TRACE HEAVY-METALS IN WASTE-WATER RESEARCH AND INDUSTRY, 1990, 35 (02): : 124 - 126
- [3] ON THE POLAROGRAPHIC-DETERMINATION OF CERTAIN HEAVY-METALS IN WASTE-WATER AND WASTE-WATER RESIDUES ACTA HYDROCHIMICA ET HYDROBIOLOGICA, 1980, 8 (06): : 517 - 523