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  • × author_ss:"Egan, M."
  • × year_i:[1950 TO 1960}
  1. Shera, J.H.; Egan, M.: ¬The classified catalog : Basic principles and practices (1956) 0.05
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    Footnote
    Weitere Ausg. 1971 'with a code for the construction and maintenance of the classifies catalog by J.M. Lynn u. Z. Hilton
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