On the Mathematical Description of Light Nuclei by the Method of Resonating Group Structure" (Physical Review; Volume 52 No. 11, pp. 1107-1122)

Lancaster, PA: The American Physical Society, 1937. First Edition. Wraps. Very Good. Proposes the scattering matrix (or S-Matrix), the starting point for string theory. Also contains "On the Nature of Cosmic-Ray Particles" by Yoshio Nishina, M. Takeuchi, and T. Ichimiya (Physical Review 52 No. 11 pp. 1198-1199), confirming the discovery of the muon. 1079-1200 pp. 4to. Green paper wraps that are quite clean. Ex-library with small black library stamp at lower right corner of front cover, no other markings. (Inventory #: 27385)