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Gauge Theory and Variational Principles

Symmetry in Physics: Vol. 1: Principles and Simple Applications, 1984. Softcover

Physics from Symmetry - Hardcover, by Schwichtenberg Jakob - Very Good

Dynamical Gauge Symmetry Breaking (1982, Paperback)

The Coworker

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Mack Reynolds Lagrange Five (Paperback) (UK IMPORT)