UDC Consortium, PO Box 90407, 2509 LK
The Hague, The Netherlands
Tel.: (+31) 70 314 0509 Fax: (+31) 70 314 0450 attn UDC
E-mail: mail[@t]udcc.orgClick on the link but please remove the
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5
Mathematics and natural sciences
52 Astronomy. Astrophysics. Space research. Geodesy
| 520 | Astronomical instruments and techniques |
| 521 | Theoretical astronomy. Celestial mechanics |
| 523 | The Solar System |
| 524 | Stars. Stellar system. The Universe |
| 528 | Geodesy. Surveying. Photogrammetry. Remote sensing, Cartography |
Last updated: 22
November 2006 
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