Proceedings of the First Marcel Grossmann Meeting on General Relativity, organized and held at the International Centre for Theoretical Physics, Trieste, and Istituto di fisica teorica, University of Trieste / edited by Remo Ruffini
"Proceedings of the First Marcel Grossmann Meeting on General Relativity, organized and held at the International Centre for Theoretical Physics, Trieste, and Istituto di fisica teorica, University of Trieste / edited by Remo Ruffini"
"Proceedings of the First Marcel Grossmann Meeting on General Relativity, organized and held at the International Centre for Theoretical Physics, Trieste, and Istituto di fisica teorica, University of Trieste"