Table of Contents: “... bursting of small air bubbles in concentrated solutions -- H. Conclusions -- IV. Mechanisms of electrification on solid-solid contact -- A. Introduction -- B. Quantitative measuring techniques and the influence of electrical fields -- C. Initial investigation...”

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Table of Contents: “...Low Temperature Magnetism -- I. Introduction -- II. Effects of magnetic and of electric fields on the energy levels of the magnetic ions -- III. Older research methods -- IV. Paramagnetic relaxation -- V. Paramagnetic resonance -- VI. Antiferromagnetism...”

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Table of Contents: “.... Basic relations -- II. The measurement of the coefficient -- III. Experimental results and the theories of the recombination coefficient -- References -- Ionization in Gases by Electrons in Electric Fields -- A. Introduction -- B. Ionization in uniform...”

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