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Both data of $\\rho$ and magnetic specific heat $C_{\\rm m}$ per Pr ion are well scaled as a function of $T/T_{\\rm 0}$, where $T_{\\rm 0}$ is a characteristic temperature of non-Fermi liquid (NFL) behaviors. Furthermore, the temperature dependences of $\\rho$ and $C_{\\mathrm{m}}/T$ agree with the NFL behaviors predicted by the two-channel Kondo model for the strong coupling limit. 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