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Books about Geroch:
Absolute objects and counterexamples: Jones-Geroch dust, Torretti constant curvature, tetrad-spinor, and scalar... by J. Brian Pitts (Jun 1, 2006)
Perspectives in Computation (Chicago Lectures in Physics) [Paperback]  (Author) Robert Geroch (2009)
General Relativity: 1972 Lecture Notes by Geroch, Robert 1st (first) Edition (2013) (0100)
Quantum Field Theory: 1971 Lecture Notes: 2 (Lecture Notes Series) by Geroch, Robert 1st (first) Edition (2013... (0100)
Mathematical Physics (Chicago Lectures in Physics) by Geroch, Robert  (0100)
General Relativity from A to B by Geroch, Robert published by University Of Chicago Press (1981) (0010)
By Robert Geroch - General Relativity from A to B (2/13/81) by Robert Geroch (Feb 13, 1981)
Wiki information Geroch:
Robert Geroch is a theoretical physicist and professor at the University of Chicago. He has worked prominently on general relativity and mathematical physics and has promoted the use of category theory in mathematics and physics. He was the Ph.D....
The Geroch group is an infinite-dimensional symmetry group of axisymmetric, stationary vacuum spacetimes that are solutions of Einstein's equations of general relativity. It is generated by two non-commuting subgroups: the Matzner–Misner group of...