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A Passion for Theoretical Physics: a special issue in memory of Peter G. O. Freund. (arXiv:2008.11225v1 [hep-th]) http://arxiv.org/abs/2008.11225
A Passion for Theoretical Physics: a special issue in memory of Peter G. O. Freund. (arXiv:2008.11225v1 [hep-th]) http://arxiv.org/abs/2008.11225