TY - RPRT TI - Validating STEP application models at the National PDES Testbed AU - Morris, Katherine C AU - Mitchell, Mary J AU - Sauder, David A PY - 1991 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 4735 DO - 10.6028/NIST.IR.4735 ER -