Observational Astrophysics
Papers in Portuguese
Galaxies in the Universe
 J. L. Sersic
 ( II BSCG, 1979) cod.  547_592

Stellar Clusters Dynamics and Clusters of Galaxies
S. J. Codina-Landaberry
( II BSCG, 1979) cod.  593_627

Neutron Stars in Theory and Observation
H. Heintzmann
( II BSCG, 1979) cod.  1193_1213

Pulsars
H. Heintzmann
 (III BSCG, 1982) cod.  114_136

Sources of Gravitaional Radiation and Prospects for their detection
E. Flanagan
  (VIII BSCG, 1995)

Earth as a Low Frequency Gravitational Wave Detector
V. N. Rudenko
(VIII BSCG, 1995) cod.  438_462

From Black Holes to Gamma Ray Bursts
R. Ruffini
(X BSCG, 2002)