TY - CONF T1 - Failure in plane strain compression using a non-associative cosserat continuum JO - DEFORMATION AND PROGRESSIVE FAILURE IN GEOMECHANICS - IS-NAGOYA'97 PY - 1997/01/01 AU - Groen AE AU - de Borst R ED - SP - 39 EP - 44 Y2 - 2024/12/25 ER -