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Soil Properties and Behaviour
275
the environments in which chemical sediments originate. On the other hand, purely physical (=mechanical) and biophysical diagenesis was given due attention wherever required. Notwithstanding these restrictions, this reviewer is confident that the b o o k will be well received by a whole spectrum of readers interested and active in earth-science disciplines dealing with surface phenomena. K. H. WOLF (Jeddah)
Soil Properties and Behaviour. R. N. Yong and B. P. Warkentin. Elsevier, Amsterdam, 1974, 300 pp., Dfl. 95.00. This b o o k clearly falls into two parts, the first concerned with the nature of soil in both physical and chemical terms and the second concerned with the mechanistic behaviour of the soil under load or environmental change. In this respect, the title is appropriate. However, its generality implies a much wider ranging view of soil than is presented. The Authors, in fact, give over a large part of the text to the importance of the nature and function of water in soils. This emphasis on water is highly commendable. Perhaps by so doing the Authors have unfortunately been forced by limitation of space to restrict their view of soil fabric to that of individual particle interaction and the interaction of relatively small scale groups. Recent work on the nature and behavioural significance of multi level fabrics extending up into macrofabric features such as laminations, layers, joints and fissures has not been dealt with. In this respect, the mechanistic part of the b o o k although dealing expertly with many of the recent developments in the field, particularly in soil strength, fails to highlight the very critical anisotropy and other effects macrofabric features can induce. The text is nevertheless a very useful and detailed appreciation of the nature and performance of soils in a wide variety of stress and environmental conditions. The differing backgrounds and present research interests of the Authors clearly come through in the text combining in the end to produce a b o o k which covers many of the c o m m o n interests of soil scientists and soil engineers. A. McGOWN (Glasgow, Scotland)
Prometheus wird nicht sterben. Energie fi~r Heute und Morgen. R o b e r t Gerwin. Econ, Dilsseldorf/Wien, 1974, 308 pp., 35 figs., 8 tables, DM 20.00. In der griechischen Mythologie gilt Prometheus nicht nur als SchSpfer des Menschengeschlechtes sondern auch als Urvater unserer Energieversorgung: Er stahl aus dem Olymp Feuer und brachte ~s den Menschen. Wie wichtig es
the environments in which chemical sediments originate. On the other hand, purely physical (=mechanical) and biophysical diagenesis was given due attention wherever required. Notwithstanding these restrictions, this reviewer is confident that the b o o k will be well received by a whole spectrum of readers interested and active in earth-science disciplines dealing with surface phenomena. K. H. WOLF (Jeddah)
Soil Properties and Behaviour. R. N. Yong and B. P. Warkentin. Elsevier, Amsterdam, 1974, 300 pp., Dfl. 95.00. This b o o k clearly falls into two parts, the first concerned with the nature of soil in both physical and chemical terms and the second concerned with the mechanistic behaviour of the soil under load or environmental change. In this respect, the title is appropriate. However, its generality implies a much wider ranging view of soil than is presented. The Authors, in fact, give over a large part of the text to the importance of the nature and function of water in soils. This emphasis on water is highly commendable. Perhaps by so doing the Authors have unfortunately been forced by limitation of space to restrict their view of soil fabric to that of individual particle interaction and the interaction of relatively small scale groups. Recent work on the nature and behavioural significance of multi level fabrics extending up into macrofabric features such as laminations, layers, joints and fissures has not been dealt with. In this respect, the mechanistic part of the b o o k although dealing expertly with many of the recent developments in the field, particularly in soil strength, fails to highlight the very critical anisotropy and other effects macrofabric features can induce. The text is nevertheless a very useful and detailed appreciation of the nature and performance of soils in a wide variety of stress and environmental conditions. The differing backgrounds and present research interests of the Authors clearly come through in the text combining in the end to produce a b o o k which covers many of the c o m m o n interests of soil scientists and soil engineers. A. McGOWN (Glasgow, Scotland)
Prometheus wird nicht sterben. Energie fi~r Heute und Morgen. R o b e r t Gerwin. Econ, Dilsseldorf/Wien, 1974, 308 pp., 35 figs., 8 tables, DM 20.00. In der griechischen Mythologie gilt Prometheus nicht nur als SchSpfer des Menschengeschlechtes sondern auch als Urvater unserer Energieversorgung: Er stahl aus dem Olymp Feuer und brachte ~s den Menschen. Wie wichtig es