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- [28] The production of telluric acid ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE, 1930, 193 (1/2): : 191 - 192
- [29] SPECTRAL DETERMINATION OF IMPURITIES IN BORIC ACID VESTNIK MOSKOVSKOGO UNIVERSITETA SERIYA 2 KHIMIYA, 1971, 12 (05): : 593 - +