Le Professeur Constantin Dramba a son 85e anniversaire
HU Tau – an UnusualEclipsing Binary System: Photometry and Solutions
A. DUMITRESCU. M. D. SURAN, G. VASS
Semi-Opaque Thick Disks in W Ser-Type Binaries; Application to SX Cas
Quasiheliostrophic and Quasimagnetostrophic Asymptotic Approximations by Scale Analysis
On the Correlation between Wolf’s Numbers and the Barycentric Distance of the Sun
Spline Techniques in Empirical Data Fitting
Evolution of Satellite Orbits in an Atmosphere with North-South Asymmetry
Some Aerodynamic Effects in Artificial Satellite Motion
On the Dynamics of Earth’s Instantaneous Axis of Rotation
On the Motion of a Free Particle in Kinematic Relativity
Note on the Use of Units in an Artificial Satellite Dynamic Problem
Observations of Minor Planets in 1986-1990 at Bucharest
MISCELLANEA
Early Romanian Contributions to Celestial Mechanics
(A. PAL)
BOOK REVIEWS