TY  - RPRT
TI  - Flight program economics for the 1990s.
AU  - W H Phebus
PY  - 1992
DO  - 10.1016/s1046-9095(05)80393-9
UR  - https://pubmed.ncbi.nlm.nih.gov/10121024/
ID  - 10121024
ER  -