TY  - RPRT
TI  - General aviation piston-engine exhaust emission reduction
AU  - Kempke, E. E., Jr.
AU  - Houtman, W. H.
AU  - Westfield, W. T.
AU  - Duke, L. C.
AU  - Rezy, B. J.
PY  - 1977
UR  - https://ntrs.nasa.gov/citations/19780003130
ID  - 19780003130
ER  -