"V. N.  Glazkov,A. I. Smirnov,A. K. Kolezhuk,H. Tanaka,A. Oosawa","Low-Energy Dynamics of the Spin-Gap Magnet TlCuCl<sub>3</sub> at the Critical Field",,"J. Magn. & Magn. Mater.",,"Vol. 310",,"pp. e454?e456",2007,