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short communications
In the paper by Leszczynski, Podlasin & Suski [J. Appl. Cryst. (1993), 26, 1-4], the value of the GaAs bulk modulus B0 = 1.1 (0.2) × 1011 Pa cited from the paper by Besson, ltie, Polian, Weill, Manssot & Gonzalez [Phys. Rev. B (1991), 44, 4214-4234] was misread from the figure. The correct value, as given by Itie [Phase Transit. (1992), 39, 81], is B0 = 0.85 × 1011 Pa and B' = 4.5 in a Murnaghan equation of state.