Shower production under thick layers of various materials
By: by Karl Z. Morgan and W. M. Nielsen ...
Contributors: Nielsen, Walter McKinley, 1900-
Publisher: Lancaster press inc.
Published: 1937
Place of publication: [Lancaster, Pa
Language: eng
Number of pages: 567
Subjects: Electric discharges.; Cosmic rays.
Notes: "Based in part on a thesis submitted ... for the degree of doctor of philiosophy in the Graduate school of arts and sciences of Duke university [1934]"
"Reprinted from the Physical review, vol. 52, no. 6, September 15, 1937."