TY  - RPRT
TI  - Change in the eleven-year modulation at the time of the June 8, 1969, Forbush decrease.
AU  - Lockwood, J. A.
AU  - Lezniak, J. A.
AU  - Webber, W. R.
PY  - 1972
UR  - https://ntrs.nasa.gov/citations/19720058758
ID  - 19720058758
ER  -