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
181
Published: 2001
Superior document: Enthalten in Planetary radio emissions Wien, 2001 S. [311] - 315
182
Published: 1962
Superior document: Tartu Riikliku Ülikooli toimetised / Tartuskij Gosudarstvennyj Universitet 125
183
Published: 1969
Superior document: Dissertationes mathematicae 63
184
Published: 1887
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Published: 1989
Superior document: IPD working paper / Interuniversity Programme in Demography 1989,5
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Published: 1987
Superior document: IPD working paper / Interuniversity Programme in Demography 1987,3
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Published: 1981
Superior document: Verhandelingen van de Koninklijke Academie voor Wetenschappen, Letteren en Schone Kunsten van België, Klasse der Wetenschappen 168
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Published: 1991
Superior document: Bulletin of the American Museum of Natural History 201
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Published: 1981
Superior document: Verhandelingen van de Koninklijke Academie voor Wetenschappen, Letteren en Schone Kunsten van België, Klasse der Wetenschappen 171
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Published: 1988
Superior document: Cimbebasia : Memoir series 7
197
Published: 1990
Superior document: Dissertationes mathematicae 295
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Published: 1926
Superior document: Mémoires de la Classe des Lettres / Académie Royale de Belgique : Collection in-8° 2,25
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Published: 1951
Superior document: Chalmers Tekniska Högskolas handlingar 119