TY - RPRT TI - Product realization process modeling: a study of requirements, methods and research issues AU - Lyons, Kevin W AU - Duffey, Michael R AU - Anderson, Richard C PY - 1995 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 5745 DO - 10.6028/NIST.IR.5745 ER -