Schwinger (Julian) "On the Euclidean Structure of Relativistic Field Theory", in Proceedings of the National Academy of Sciences, vol. 44. pp.956-965, Chicago, 1958; and others, mathematics and physic

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Schwinger (Julian) "On the Euclidean Structure of Relativistic Field Theory", in Proceedings of the National Academy of Sciences, vol. 44. pp.956-965, Chicago, 1958 Michelson (Albert A.) "A Modification of the Revolving Mirror Method for Measuring the Velocity of Light", in Proceedings of the National Academy of Science, vol. 6, pp.476-477, 1 f. with tear into text, Easton, 1920 Stueckelberg (E. C. G.) Austauschkrafte zwischen Elementarteilchen und Fermi'sche Theorie des [beta]-Zerfalls als Konsequenzen einer moglichen Feldtheorie der Materie", in Helvetica Physica Acta, vol.9, pp.389-404, half-title, lacking title, Basel, 1936, ex-library copy with ink-stamps, library half cloth, abrasion or paper to spines, light rubbing to extremities; and other periodicals, mathematics and physics, 8vo (9)

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