A Theory and Practice of Program Development provides a comprehensive introduction to a software development method based on VDM-SL. Each development step is rigorously justified, and the strategies and transformations used are justified and explained ma thematically. The approach provides the formal semantics of a simple, but powerful, wide-spectrum programming language and gives a formal definition of both algorithmic and data refinement. Unlike other texts, it covers both the theory and practice of program development. Although based on VDM-SL, no knowledge of this language is assumed, thus making it widely accessible. A Theory and Practice of Program Development is intended for 3rd/4th year undergraduate and postgraduate students taking formal methods and software engineering; software developers involved in the production of provably correct computer systems and reusa ble design and the problems of reusable code.
This book deals with the earliest period of human settlement in Britain, proposing a series of archaeological stages for the Lower and Middle Palaeolithic periods. An introduction on the problems and methods of studying the Palaeolithic and Pleistocene periods leads into the technical argument, a sequence of development derived from evidence of stone artefacts and other signs of human activity at stratified sites in south-east England. Materials from all occupied parts of Britain are related to this basic sequence and, stressing that Britain lay on the edge of the Palaeolithic world, the author also brings in essential evidence from Europe and farther afield. The final chapter suggests the probable way of life of human groups in this period. This broad survey synthesises material from widely scattered sources including museums from all over Britain and has an extensive bibliography. Originally published in 1981.
Crafted as a descriptive and visual text, Germ Cell Tumors features definitive reviews of the biology, diagnosis, and management of germ cell tumors. Incorporating extensive illustrations and tables, this book reviews the progress that has been made in the curative therapy of germ cell tumors over the past 25 years, progress that has lead to the positioning of germ cell tumor therapy as the paradigm of curative treatment in adult solid tumors. Most of the work has been produced on a multi-disciplinary basis, emphasizing the use of different diagnostic, laboratory, imaging, and management tools. In addition to a scientific and clinical review, a series of detailed discussions on the psychosocial issues, patient support, and management of the occasional problem cases that do not result in cure are featured. Germ Cell Tumors has been carefully illustrated with new photographs that illustrate diagnostic approaches, surgical techniques, and management complications. Extensive graphs and tables illustrate the results of treatment.
In the tradition of Guns, Germs, and Steel, Leebaert tells the stories of small forces that have triumphed over vastly larger ones and changed the course of history -- from the Trojan Horse to Al Qaeda. Maps and charts.
Few phenomena inspire more awe than lightning. Streaking across the sky, it daunts us with its power and amazes us with its beauty. In Lightning, Derek M. Elsom explores this natural phenomenon and traces the long history of our study of it. From early civilizations’ assumptions that it was the work of gods, through eighteenth-century scientific analyses (and, yes, Ben Franklin’s kite), Elsom tells about our efforts to understand and explain lightning. He explores the many surprising folklore beliefs about lightning protection and contrasts these with today's scientific approaches. Alongside scientific explorations, he also tracks the path of lightning through our culture, from myths and legends to art and design. In addition, Elsom offers handy tips for avoiding getting struck by lightning. Beautifully illustrated with stunning photographs and artistic renderings, this striking book will appeal equally to weather buffs and folklorists, scientists and artists.
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