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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 22, No. 5, pp. 941–943, May, 1975.
The authors express their gratitude to V. A. Barachevskii for constant interest in the work and assistance in its performance.
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Gulemina, N.N., Kostylev, V.N., Lipunova, G.N. et al. Spectral investigation of the thermochromism of solutions of 1-benzothiazolyl-and 1-thiazolyl-5-p-nitrophenylformazans at low temperatures. J Appl Spectrosc 22, 716–718 (1975). https://doi.org/10.1007/BF00614893
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DOI: https://doi.org/10.1007/BF00614893