COMPARISON OF THE ELECTRON MOMENTUM DISTRIBUTION OF SOLID AND LIQUID NI AS MEASURED BY POSITRONS M. J. Fluss, L. C. Smedskjaer et M. K. ChasonJ. Phys. Colloques, 41 C8 (1980) C8-443-C8-446DOI: https://doi.org/10.1051/jphyscol:19808111