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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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| 561.1 | Seed plants in general. Spermatophyta. Phanerogams. Siphongamous embryophyta |
| 561.7 | Rosidae |
| 561.9 | Asteridae |
| 561.999 | Other dicotyledons. Anomaliae |
| 562/569 | Systematic palaeozoology |
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