INTERPRETATION OF GRAIN BOUNDARY NONEQUILIBRIUM IN TERMS OF GEOMETRICALLY NECESSARY AND STATISTICALLY STORED DISLOCATIONS W. LOJKOWSKI, J. WYRZYKOWSKI et J. KWIECISKIJ. Phys. Colloques, 51 C1 (1990) C1-239-C1-244DOI: https://doi.org/10.1051/jphyscol:1990137