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By classification «ddc»

• Top level
• • Science (40 biblios)

  • • Items in catalog

      [Science] (6 biblios)	[Mathematics] (2 biblios)	[Astronomy] (7 biblios)
      [Physics] (5 biblios)	[Chemistry] (2 biblios)	[Earth sciences & geology] (3 biblios)
      [Biology] (8 biblios)	[Plants ] (5 biblios)	[Animals ] (2 biblios)