4

The nature of the faintest X-ray galaxies: near-IR spectroscopy

Year:
1998
Language:
english
File:
PDF, 108 KB
english, 1998
7

The gastric ulcer problem

Year:
1976
Language:
english
File:
PDF, 101 KB
english, 1976
8

RXTE monitoring of the blazars 3C 279 and 3C 273

Year:
1999
Language:
english
File:
PDF, 398 KB
english, 1999