1.
Future of Theoretical Physics and Cosmology Celebrating Stephen Hawking's 60th Birthday
by Gibbons, Gary W., Rankin, S...
ISBN: 9780521820813
List Price: $102.00
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The Future of Theoretical Physics and Cosmology: Celebrating Stephen Hawking's Contributions...
by Gibbons, G. W., Shellard, E...
ISBN: 9780521144087
List Price: $56.99