ROSAT Detection of an X-ray Shadow in the 1/4-keV Diffuse Background in the Draco Nebula

Autor: Snowden, S. L., Mebold, U., Hirth, W., Herbstmeier, U.
Zdroj: Science, 1991 Jun . 252(5012), 1529-1532.
Databáze: JSTOR Journals