TY  - RPRT
TI  - Advancing problem definition and concept generation for improved product life cycle management 
AU  - Subrahmanian, Eswaran
AU  - Reich, Yoram
PY  - 2007
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 7430
DO  - 10.6028/NIST.IR.7430
ER  -