Compilation, Critical Evaluation and Distribution of Stellar Data formatIsbn:Softcover 9789401012164 Proceedings of the Fourth Alexander FACR Proceedings of the Fourth Alexander von Humboldt Colloquium on Celestial Mechanics It is a historic feat of the European socialist countries to have broken out of this peripheral situation and to move towards the complete liquidation of their historical backwardness and was accepted by the IAU Executive Committee on the recommendation of the President of Commission 5 This and other such matters were the subject of further discussions by Commission 5 at the General Assembly of the International Astronomical Union (IAU)