TY  - RPRT
TI  - A laboratory program to develop improved grazing incidence X-ray optics
AU  - Giacconi, R.
AU  - Haggerty, R.
AU  - Reidy, W.
AU  - Vaiana, G.
AU  - Zehnpfennig, T.
PY  - 1967
UR  - https://ntrs.nasa.gov/citations/19670008831
ID  - 19670008831
ER  -