TY  - RPRT
TI  - Solar activity during Skylab: Its distribution and relation to coronal holes
AU  - Speich, D. M.
AU  - Smith, J. B., Jr.
AU  - Wilson, R. M.
AU  - Mcintosh, P. S.
PY  - 1978
UR  - https://ntrs.nasa.gov/citations/19780015051
ID  - 19780015051
ER  -