Identification of seismic sources—earthquake or underground explosion: Proceedings of the NATO Advanced Study Institute,Oslo, September, 1980, Series C,Vol. 74. E.S. Husebye and S. Mykkeltveit (Editors). D. Reidel,Dordrecht, 1981, xii + 876 pp., Dfl.195.00, U.S.$98.00, ISBN 90-277-1320-0 |