Lemmens, P. Department Solid State Spectroscopy (Bernhard Keimer), Max Planck Institute for Solid State Research, Max Planck Society;
Sherman, E. Y., Lemmens, P., Busse, B., Oosawa, A., & Tanaka, H. (2003). Sound Attenuation Study on the Bose-Einstein Condensation of Magnons in TlCuCl3. Physical Review Letters, 91(5): 057201.