Proceedings of the 30th International Geological Congress held at Beijing,China 4-14August,1996 /
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- Utrecht,The Netherlands : VSP , 1997.
- 26v. : Ills. ; 25cm. .
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9067642487 DM 541=00
GEOLOGY
551 /
NULL
9067642487 DM 541=00
GEOLOGY
551 /