NUCLEAR SPIN-LATTICE RELAXATION IN A LITHIUM-SILICATE GLASS P. Heitjans, B. Bader, K. Dörr, H.J. Stöckman, G. Kiese, H. Ackermann, P. Freiländer et W. Müller-Warmuth J. Phys. Colloques, 43 C9 (1982) C9-143-C9-147 DOI: 10.1051/jphyscol:1982927