%0 Journal Article %A Joseph Pastor %A Pedro Ponte Castañeda %T Yield criteria for porous media in plane strain: second-order estimates versus numerical results %J Comptes Rendus. Mécanique %D 2002 %P 741-747 %V 330 %N 11 %I Elsevier %R 10.1016/S1631-0721(02)01526-7 %G en %F CRMECA_2002__330_11_741_0