Abstract
STUDY of the cosmic radiation has entered on a new phase with the recognition of the probable existence of a heavy electron. Dr. Miehlnickel's account of the subject deals with the ground covered prior to this discovery. It is written in the style of Meyer and Schweidler's handbook of radioactivity, and although primarily categorical, is nevertheless full of interest. For a book of this type the illustrations are good, but it would have been improved by more Wilson cloud pictures. The most valuable feature of the book is the classified bibliography interspersed throughout the text.
Höhenstrahlung (Ultrastrahlung)
Dr.
Erwin
Miehlnickel
Von. (Wissenschaftliche Forschungsberichte, Naturwissenschaftliche Reihe, herausgegeben von Dr. Raphael Ed. Liesegang, Band 44.) Pp. xvi + 316. (Dresden und Leipzig: Theodor Steinkopff, 1938.) 23.50 gold marks.
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Höhenstrahlung (Ultrastrahlung). Nature 142, 596 (1938). https://doi.org/10.1038/142596e0
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DOI: https://doi.org/10.1038/142596e0