TY  - RPRT
TI  - WARP3D-Release 10.8: Dynamic Nonlinear Analysis of Solids using a Preconditioned Conjugate Gradient Software Architecture
AU  - Koppenhoefer, Kyle C.
AU  - Gullerud, Arne S.
AU  - Ruggieri, Claudio
AU  - Dodds, Robert H., Jr.
AU  - Healy, Brian E.
PY  - 1998
UR  - https://ntrs.nasa.gov/citations/19990032494
ID  - 19990032494
ER  -