"On the Quantum Theory of the Capture of Electrons." In: The Physical Review, volume 21, number 3, March, 1928. Article occupies pp 349-356 of the monthly issue (which runs pp 317-490. Offered in the original monthly issue, in the original green wrappers. Very good copy, though the spine has a few scuffs here and there, with only a scant bit missing at the very edge top and bottom. Acceptable copy of a relatively early wrappered issue of the great journal. $200
This article has been cited more than 300 times, according ot the American Physical Society's PROLA website, here.