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Int. Ass. Phys. Earth Interior
In:
extended abstract of a paper (IASPEI 6.10) presented at the XVIII General
Assembly of the IUGG 1983 in Hamburg, 18 pp., München, Int. Ass. Phys. Earth
Interior, vol. C 560, 183 pp., no. 8, pp. 190-193, (ISBN 3-933346-037)