TY - JOUR T1 - Studies in material parameter sensitivity of softening solids JO - Computer Methods in Applied Mechanics and Engineering PY - 1998/08/25 AU - GutiƩrrez MA AU - de Borst R ED - DO - DOI: 10.1016/s0045-7825(97)00351-4 PB - Elsevier BV VL - 162 IS - 1-4 SP - 337 EP - 350 Y2 - 2024/12/25 ER -