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author_ss:"Jahrmann, W."
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theme_ss:"Informationsdienstleistungen"
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type_ss:"a"
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year_i:[1960 TO 1970}
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- author's%3a%22Gerstenkorn%2c A.%22 2
- authors%3a%22Gerstenkorn%2c A.%22 2
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Jahrmann, W.: Auskunft und Beratung in der Öffentlichen Bücherei (1964)
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Jahrmann, W.: Informationsarbeit in der öffentlichen Bibliothek : Erfahrungen mit Studenten und Oberstufenschülern (1969)
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