References
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R1. The "L&K" model for Code_Aster. IH- HAVL - SIO -00015-A.


.. _Ref172605420:


.. _Ref180670864:

R2. The "L&K" model for Code_Aster. IH- HAVL - SIO -00015-B.

R3. Meeting on the L&K viscoplastic model of the simplified CIH for code_aster.cr- AMA -2007-142.


.. _Ref188434894:

R4. Numerical modeling of the behavior of underground structures using a viscoplastic approach. Thesis presented at INPL by A. Kleine, November 2007.