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UDC Consortium, PO Box 90407, 2509 LK The Hague, The Netherlands Tel.: (+31) 70 314 0509 Fax: (+31) 70 314 0667 E-mail: udc@kb.nl | ||||||||||||||||||
5
Mathematics and natural sciences
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| 591 | General zoology |
| 592/599 | Systematic zoology |
| 592 | Invertebrata |
| 593.1 | Protozoa |
| 594 | Mollusca. Shellfish etc. |
| 595 | Articulata. Worms etc. |
| 597/599 | Vertebrata. Vertebrates. Fishes, Amphibia etc. |
| 598 | Sauropsida. Reptiles. Birds |
| 599 | Mammalia. Mammals |
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