A STUDY OF ION MOTION IN STRAINED AND UNSTRAINED CRYSTALS OF SOLID hcp 4He S. C. Lau, A. J. Dahm, W. A. Jeffers et Jr.J. Phys. Colloques, 39 C6 (1978) C6-86-C6-87DOI: https://doi.org/10.1051/jphyscol:1978640
