TY  - BOOK
AU  - Biery,Frederick
AU  - Lorell,Mark A.
ED  - Rand Corporation
ED  - United States.
TI  - Preplanned product improvement and other modification strategies: lessons from past aircraft modification programs 
T2  - A Rand note
PY  - 1981///
CY  - California
PB  - Rand Corporation
KW  - United States
KW  - Air Force
KW  - Procurement
KW  - Airplanes, Military
KW  - Modification
ER  -