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D. O. GOUGH Institute of Astronomy. Madingley Road. Cambridge. U. K. IAU Colloquium 66 on 'Problems of Solar and Stellar Oscillations' was held at the Crimean Astrophysical Observatory, U. S. S. R. , on 1-5 September, 1981. The principal purpose of the colloquium was to study the low-amplitude oscillations of the Sun and, to a lesser extent, to consider similar oscillations of other stars. Much of the emphasis of the discussions was on the diagnostic value of the oscilla tions. In the last few years we have become aware that the frequencies of the five-minute modes of high degree, which constitute the major component of the oscillations discovered twenty years ago by Evans and Michaud, can b...
This pioneering work presents the first comprehensive economic history of medieval Denmark. It puts data produced by more than a century of historical research into a new context and includes a multitude of information based on primary research. The book abounds in knowledge of natural and human resources, rural life, urban industries, tax and commodity trade. Arguing that the development of the Danish resources from the eleventh to the middle of the fourteenth century cannot be viewed simply as a period of prosperity, and conversely that the Late Middle Ages were characterized as much by growth as by recession, the book places itself in an international historiographical controversy. The Danish Resources will become an indispensable standard work for students of Danish and north European medieval history.
Observational data derived from the world's largest solar telescopes are correlated with theoretical discussions in nuclear and atomic physics by contributors representing a wide range of interests in solar research.
Providing the most complete and up to date analysis of the range of agricultural issues under negotiation in the multilateral trade negotiations underway in the World Trade Organization (WTO), this title is a valuable resource to policymakers, agricultural private sector, and academics in developing and assessing the negotiating options.
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Why write a book on macroeconomic policies and their links to agriculture and food security in developing countries? The food price spikes of the years just prior to 2010 and the economic, political, and social dislocations they generated refocused the attention of policymakers and development practitioners on the agricultural sector and food security concerns. But even without those traumatic events, the importance of agriculture for developing countries—and for an adequate functioning of the world economy— cannot be denied. First, although declining over time, primary agriculture still represents important percentages of developing countries’ overall domestic production, exports, and...