TY  - RPRT
TI  - The relationship between solar activity and coronal hole evolution
AU  - Nolte, J. T.
AU  - Davis, J. M.
AU  - Gerassimenko, M.
AU  - Krieger, A. S.
AU  - Solodyna, C. V.
AU  - Golub, L.
PY  - 1978
UR  - https://ntrs.nasa.gov/citations/19790037880
ID  - 19790037880
ER  -