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2
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Foundations of anisotropy for exploration seismics / by Klaus Helbig.
- 622.1592
- Helbig, Klaus.
- Pergamon,
- 1994.
- Oxford, England ; Tarrytown, N.Y., U.S.A. :
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Modeling the earth for oil exploration : final report of the CEC's Geoscience I Program, 1990-1993 / edited by Klaus Helbig ; supported by Commission of the European Communities, Directorate-General XII, Science, Research, and Development.
- 622.18'28
- Pergamon,
- 1994.
- Oxford :