Characterization of grain boundary misorientations in a alumina by large angle convergent beam electron diffraction J.P. MORNIROLI, A. LECLERE, W. SWIATNICKI et J.Y. LAVAL J. Phys. IV France, 03 C7 (1993) C7-1455-C7-1458 DOI: 10.1051/jp4:19937226