Recent Developments in Gravitation: Proceedings of the Relativity Meeting-89 Barcelona, Catalonia, Spain 5-8 September 1989

This volume reviews some recent developments and new perspectives in classical and Quantum Gravity. The topics treated at a graduate level range from some new and old problems in General Relativity, algebraic computing, gravitational wave astronomy to some more speculative subjects as the early Universe, Quantum Gravity and Quantum Cosmology.