Titlebook: Solar Magnetohydrodynamics; Eric R. Priest Book 1982 D. Reidel Publishing Company, Dordrecht, Holland 1982 Variation.atmosphere.chromosphe

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Book 2018hou’s own philosophical approach: anthropological historical ontology. Li argues that the process of human development begins with and is shaped by the practical material activities associated with making and using tools in primitive societies. Over millions of years, these ever-evolving practices a

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On the Principle of Stationary Present Value,hese may be called . or . problems. In the second, the object is to prescribe what action should be taken in order that a given objective be attained; these may be called . problems. The present theory is applicable to both types of problems provided that in the case of descriptive problems one further condition is satisfied.