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Oberschelp, R.; Niewalda, P.: Deutscher Gesamtkatalog und Verbundkatalog : zwei Projektstudien (1978)
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Oberschelp, R.: Einheitsklassifikation und Münchener Klassifikation (1975/76)
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Oberschelp, R.: Thesen zur Einheitsklassifikation (1977)
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Oberschelp, R.: ¬Die Zusammenarbeit von Bibliothekaren und Bibliotheken : ein Diskussionsbeitrag (1970)
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