🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربيةفارسی中文EntityQ638570· pop 14· linked from 12 articlesRudolf KatzerGerman racing cyclistMusic · MusicBrainzTypePersonCountryDEActive from1935-01-10Active to2019-05-07via MusicBrainz · CC0Recent publications · Crossref5 total works indexedThe value of the world's ecosystem services and natural capital · 1997 · cited 16,029x[14] Analysis of total phenols and other oxidation substrates and antioxidants by means of folin-ciocalteu reagent · 1999 · cited 13,697x2021 ESC Guidelines for the diagnosis and treatment of acute and chronic heart failure · 2021 · cited 11,552xWorld Map of the Köppen-Geiger climate classification updatedAvailable in 14 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoالعربيةCatalanEgyptian ArabicNorwegianConnectionsOlympic GamesConceptGerman EmpireEntityCategories1888 births20th-century German sportsmenCyclists at the 1908 Summer OlympicsGerman male cyclistsGerman track cyclistsMedalists at the 1908 Summer OlympicsOlympic cyclists for GermanyOlympic medalists in cyclingOlympic silver medalists for GermanyPlace of birth missingYear of death unknown