R
R, or r, is the eighteenth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''ar'' (pronounced ), plural ''ars'', or in Ireland ''or'' ().The letter is the eighth most common letter in English and the fourth-most common consonant, after , , and . Provided by Wikipedia
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Published: 2006
Superior document: Enthalten in Planetary radio emissions ; H. O. Rucker ... (Eds.) Wien, 2006 6 (2006), S. 193
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Published: 1908
Superior document: Commentationes Aenipontanae 2
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Published: 2000.
Superior document: Verhandelingen van het Koninklijk Instituut voor Taal-, Land- en Volkenkunde ; 182
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Published: 2003.
Superior document: Bibliotheca Bibliographica Neerlandica ; 39
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Published: 1965
Superior document: Frontiers in physics [22]
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Published: 1964.
Superior document: European History and Culture - Book Archive pre-2000
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Published: 1878
Superior document: Enthalten in Sitzungsberichte der mathematisch-naturwissenschaftlichen Classe der Kaiserlichen Akademie der Wissenschaften Wien : Aus der K.K. Hof- und Staatsdruckerei, 1878 76. Band (Jahrgang 1877), 1. Abtheilung, 8. Heft, Seite 335-352, II Bildtafeln