Lancaster PA, American Physical Society, 1962. Royal8vo. In the original blue printed wrappers. In "The Physical Review", Volume 127, Second Series, Number 2, July 15. A very fine and clean copy. Pp. 636-647. [Entire issue: Pp. 335-670].
First printing of Bethe's paper on negative meson absorption in liquid hydrogen.
Order-nr.: 49047