Berthier, C. High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;
Lorenzo, J. E., Katsumata, K., Narumi, Y., Shimomura, S., Tanaka, Y., Hagiwara, M., et al. (2004). Observation of a lattice instability at the field-induced phase transition of the spin-gapped compound Cu2(C5H12N2)2Cl4. Physical Review B, 69(22): 220409.