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Erratum: Generating fermion mass in four-dimensional quenched QED
D. C. Curtis and M. R. Pennington
Phys. Rev. D 47, 1729 (1993)
Erratum: (2+1)-dimensional Chern-Simons gravity as a Dirac square root
S. Carlip
Phys. Rev. D 47, 1729 (1993)