TY  - RPRT
TI  - NH emissions in comets - Fluorescence vs collisions
AU  - Kim, Sang Joon
AU  - A'Hearn, Michael F.
AU  - Cochran, William D.
PY  - 1989
UR  - https://ntrs.nasa.gov/citations/19890040720
ID  - 19890040720
ER  -