BOOK REVIEWS

K. Jung, Schwerkraftverfahren in der angewandten Geophysik (Gravity Methods in Applied Geophysics), Akademische Verlagsgesellschaft Geest & Portig KG., Leipzig, 1961, 348 pp., price: 48,– DM.

R. Meinhold, Geophysikalische Meβverfahren in Bohrungen, Geophysikalische Monographien Bd. 4, Akademische Verlagsgesellschaft Geest & Portig KG., Leipzig, 1965, 237 pp., 125 figs., 13 tables, size 8°, price: 55,– MDN.

George B. Clark, International Symposium, on Mining Research, Proceedings of a Symposium held at the University of Missouri (2 Volumes), Pergamon Press Ltd., Oxford, London, New York, 1962, 859 pages, price: γ 10 per set.

I. D. Savinskii, Probability Tables for Locating Elliptical Underground Masses with a Rectangular Grid, explanatory text translated from Russian, Consultants Bureau Enterprises Inc., New York, 1965, price: $ 15.

The World of Geology, edited by L. Donleet and Florence J. Leet, McGraw‐Hill Publishing Comp. Ltd., London, 1961, price: 21s 6d.

H. G. F. Winkler, Die Genese der metamorphen Gesteine. Springer‐Verlag, Berlin, Heidelberg, New York, 1965, 40 Figs., VIII, 218 pages, size 8°, price: 19,80. DM