Physics of the universe - Sachs, Mendel (London Imperial College Press, 2010)
Physics of the universe -- The language of cosmology: the mathematical basis of general relativity -- A unified field theory in general relativity: extension from the tensor to the quaternion language -- An oscillating, spiral universe cosmology -- Dark matter -- Concluding remarks -- Philosophical considerations
Includes bibliographical references and index
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Keywords: Cosmology; General relativity (Physics); Unified field theories