STUDY OF ELEMENTARY MECHANISMS DURING SINTERING OF MgO WITH Mn2O3, MnO2 AND NiO ADDITIVES G.V. SAMSONOV, M.V. VLASOVA, N.G. KAKAZEY, B.A. GRIGORJEV, D.P. USKOKOVIĆ et M.M. RISTIĆ J. Phys. Colloques, 37 C7 (1976) C7-415-C7-422 DOI: 10.1051/jphyscol:1976795