Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Jesús L. Muñiz Álvarez and Josefa A. García Calzón and Juan M López Fonseca,Electrochemical Reduction of Ge(IV) Catalyzed byo-Catechol at the Dropping Mercury Electrode and at the Hanging Mercury Drop Electrode after Adsorptive Preconcentration,Electroanalysis,1040-0397,Wiley,1999-07,11,9,656-659,https://cir.nii.ac.jp/crid/1361418521000839296,https://doi.org/10.1002/(sici)1521-4109(199907)11:9<656::aid-elan656>3.0.co;2-n