TY  - RPRT
TI  - Improved first order approximation method for structural optimization
AU  - Fadel, Georges M.
AU  - Riley, Michael F.
AU  - Barthelemy, Jean-Francois M.
PY  - 1990
UR  - https://ntrs.nasa.gov/citations/19900042214
ID  - 19900042214
ER  -