TY  - RPRT
TI  - Soft X-rays from Cygnus X-2 and from Cygnus X-1 /in eclipse/.
AU  - Stevens, J. C.
AU  - Garmire, G. P.
AU  - Riegler, G. R.
PY  - 1972
UR  - https://ntrs.nasa.gov/citations/19720051631
ID  - 19720051631
ER  -