Keilmann, Fritz Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;
Qazilbash, M. M., Tripathi, A., Schafgans, A. A., Kim, B. J., Kim, H. T., Cai, Z. H., et al. (2011). Nanoscale imaging of the electronic and structural transitions in vanadium dioxide. Physical Review B, 83(16): 165108. doi:10.1103/PhysRevB.83.165108.