Hernandez, V. L. d. R. (1974). Studies on the Polarographic properties of copper and zinc in some complexing solutions [microform]. University of the Philippines,Photoduplication Service.
Chicago-referens (17:e uppl.)Hernandez, Virgen L. del Rosario. Studies on the Polarographic Properties of Copper and Zinc in Some Complexing Solutions [microform]. Quezon City: University of the Philippines,Photoduplication Service, 1974.
MLA-referens (9:e uppl.)Hernandez, Virgen L. del Rosario. Studies on the Polarographic Properties of Copper and Zinc in Some Complexing Solutions [microform]. University of the Philippines,Photoduplication Service, 1974.
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