Authors:
Appenzeller, I
Zickgraf, FJ
Krautter, J
Voges, W
Citation: I. Appenzeller et al., Identification of a complete sample of northern ROSAT all-sky survey X-raysources VII. The AGN subsample, ASTRON ASTR, 364(2), 2000, pp. 443-449
Authors:
Guarnieri, A
Castro-Tirado, AJ
Bartolini, C
Lolli, M
Masetti, N
Piccioni, A
Zavatti, F
Gorosabel, J
Aguilar, Y
Kohley, R
Beskin, GM
Zapatero-Osorio, MR
Rebolo, R
Corradi, R
Guerrero, M
Kemp, S
Greiner, J
Dietrich, M
Zickgraf, FJ
Costa, E
Feroci, M
Frontera, F
Piro, L
Nicastro, L
Palazzi, E
Citation: A. Guarnieri et al., An optical counterpart to GRB 971227?, ASTR AST SS, 138(3), 1999, pp. 457-458
Authors:
Krautter, J
Zickgraf, FJ
Appenzeller, I
Thiering, I
Voges, W
Chavarria, C
Kneer, R
Mujica, R
Pakull, MW
Serrano, A
Ziegler, B
Citation: J. Krautter et al., Identification of a complete sample of northern ROSAT All-Sky Survey X-raysources IV. Statistical analysis, ASTRON ASTR, 350(3), 1999, pp. 743-752