TY  - RPRT
TI  - Cost model validation: a technical and cultural approach
AU  - Hihn, J.
AU  - Rosenberg, L.
AU  - Roust, K.
AU  - Warfield, K.
PY  - 2001
UR  - https://ntrs.nasa.gov/citations/20060031506
ID  - 20060031506
ER  -