(18 offprints). Includes: BERGMANN. "Introduction of 'True Observables' into the Quantum Field Equations (*)." Offprint from Il Nuovo Cimento, Serie X, vol. 3, 1956.

No place:: Il Nuovo Cimento, 1956., 1956. 8vo. pp. 1170-1185. Self-wraps. FINE. Bergmann was a pioneer physicist who worked with Einstein, and made great efforts to reconcile Einstein's general theory of relativity with the paradoxical quantum laws that rule atomic affairs. During this period he was with the Dept. of Physics, University of Syracuse, and later of Yeshiva University, New York. WITH: BERGMANN. "Quantisierung allgemein-kovarianter Feldtheorien1)." Offprint from Helvetica Physica Acta, Supple., IV, 1956. 8vo. pp. 79-97. Self-wraps. Fine. WITH: (truncated) BERGMANN. Les Theories Relativistes de la Gravitation. Paris: Editions du Centre National de la Recherche Scientifique, 1962. Colloques Internationaux du Centre National de la Recherche Scientifique, XCI. Royaumont (21-27 Juin 1959). 8vo. (309)-325 pp. Gray printed wrappers. Fine. WITH: BERGMANN, Yakir AHARONOV, & Joel L. LEBOWITZ. "Time Symmetry in the Quantum Process of Measurement." Offprint from: The Physical Review, vol. 134, no. 6B, June 22, 1964. 4to. pp. B1410-B1416. Self-wraps. Very good. Full list provided on request. (Inventory #: S7172)