Ruffini, R. (1982). Proceedings of the Second Marcel Grossmann Meeting on General Relativity. North-Holland Publishing Company.
Chicago-viite (17. p.)Ruffini, Remo. Proceedings of the Second Marcel Grossmann Meeting on General Relativity. Amsterdam ; New York: North-Holland Publishing Company, 1982.
MLA-viite (9. p.)Ruffini, Remo. Proceedings of the Second Marcel Grossmann Meeting on General Relativity. North-Holland Publishing Company, 1982.
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