TY  - RPRT
TI  - A Bragg spectrometer for stellar X-ray astronomy.
AU  - Kestenbaum, H.
AU  - Novick, R.
AU  - Angel, J. R. P.
PY  - 1971
UR  - https://ntrs.nasa.gov/citations/19720029373
ID  - 19720029373
ER  -