TY  - RPRT
TI  - The IRAF Fabry-Perot analysis package: Ring fitting
AU  - Shopbell, P. L.
AU  - Bland-Hawthorn, J.
AU  - Cecil, G.
PY  - 1992
UR  - https://ntrs.nasa.gov/citations/19940018054
ID  - 19940018054
ER  -