TY - RPRT TI - User manual for finite element and finite difference programs: a parallel version of NIST IR 6269 AU - Bohn, Robert B AU - Garboczi, Edward J PY - 2003 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6997 DO - 10.6028/NIST.IR.6997 ER -