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Rotating black holes, complex geometry, and thermodynamics. Annals of the New York Academy of Sciences, 631, 225–234. https://doi.org/10.1111/j.1749-6632.1991.tb52645.x BRADEN, H. W., BROWN, J. D., WHITING, B. F., & YORK, J. W. (1990). CHARGED BLACK-HOLE IN A GRAND CANONICAL ENSEMBLE. PHYSICAL REVIEW D, 42(10), 3376–3385. https://doi.org/10.1103/physrevd.42.3376 BROWN, J. D., & MARTINEZ, E. A. (1990). LORENTZIAN PATH INTEGRAL FOR MINISUPERSPACE COSMOLOGY. PHYSICAL REVIEW D, 42(6), 1931–1943. https://doi.org/10.1103/physrevd.42.1931 BROWN, J. D., COMER, G. L., MARTINEZ, E. A., MELMED, J., WHITING, B. F., & YORK, J. W. (1990). THERMODYNAMIC ENSEMBLES AND GRAVITATION. CLASSICAL AND QUANTUM GRAVITY, 7(8), 1433–1444. https://doi.org/10.1088/0264-9381/7/8/020 BROWN, J. D. (1990). TUNNELING IN PERFECT-FLUID (MINISUPERSPACE) QUANTUM COSMOLOGY. PHYSICAL REVIEW D, 41(4), 1125–1141. https://doi.org/10.1103/physrevd.41.1125 BROWN, J. D., & YORK, J. W. (1989). 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