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This journal provides immediate access to some articles. Volume 12(6); June 1926 Astronomy The Evidence for Changes in the Rate of Rotation of the Earth and Their Geophysical Consequences PMCID: PMC1084583 Engineering Bending of a Curved Tube of Circular Cross Section PMCID: PMC1084575 Mathematics Conformal Invariants PMCID: PMC1084580 Generalization of Kronecker's Relation among the Minors of a Symmetric Determinant PMCID: PMC1084581 On the Classical Dirichlet Problem for General Domains PMCID: PMC1084582 Physics The Heat Capacity of Solid Aliphatic Crystals: II PMCID: PMC1084576 The Effect of Crystal Size upon the Intensity of X-Ray Reflection PMCID: PMC1084577 The Intensity of Reflection of X-Rays by Lithium, Sodium and Calcium Fluorides PMCID: PMC1084578 Note on the Postulates of the Matrix Quantum Dynamics PMCID: PMC1084579 Physiology The Reddish Blue Arcs and the Reddish Blue Glow of the Retina: Seeing Your Own Nerve Currents through Bioluminescence PMCID: PMC1084584 The Metabolic Effect of Enemata of Alcohol, Dextrose and Levulose in Humans PMCID: PMC1084585 Correction On the Heat Capacity of Non-Polar Solid Compounds PMCID: PMC1084586 Corrects: On the Heat Capacity of Non-Polar Solid Compounds. Proc Natl Acad Sci U S A. 1926 May; 12(5): 334–337. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||
