Homogeneous Relativistic Cosmologies.
By Michael P. Ryan Jr and Lawrence C. Shepley. Princeton Series in Physics. Pp. xv + 320. (Princeton University Press, Princeton, New Jersey, 1975.) $15.00.
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Davies, P. Heavenly views. Nature 256, 523 (1975). https://doi.org/10.1038/256523a0
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DOI: https://doi.org/10.1038/256523a0