TY  - RPRT
TI  - Modern Observational Techniques for Comets
AU  - Brandt, J. C.
AU  - Greenberg, J. M.
AU  - Donn, B.
AU  - Rahe, J.
PY  - 1981
UR  - https://ntrs.nasa.gov/citations/19820006116
ID  - 19820006116
ER  -