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Krabbenhoft, K. and Karim, M.R. and Lyamin, A.V. and Sloan, S.W. (2012) Associated computational plasticity schemes for nonassociated frictional materials. International Journal for Numerical Methods in Engineering, 90 (9). pp. 1089-1117. ISSN 0029-5981, DOI https://doi.org/10.1002/Nme.3358.