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Pytlakowska, K., & Feist, B. (2012).
Spectrophotometric determination of molybdenum in the presence of tungsten using gallein and benzyldodecyldimethylammonium bromide. Journal of Analytical Chemistry, 68(1), 39–44.
doi:10.1134/s1061934813010115
10.1134/S1061934813010115
