TY  - RPRT
TI  - Derivation of linearized constitutive equations for plane-strain of an elastic-plastic (strain hardening) material
AU  - Arvid M. Johnson
PY  - 1979
DO  - 10.3133/ofr79433
UR  - https://pubs.usgs.gov/publication/ofr79433
ID  - ofr79433
ER  -